diff --git a/apps/server/src/game/engine.test.ts b/apps/server/src/game/engine.test.ts
index a8638d2..73f8fa7 100644
--- a/apps/server/src/game/engine.test.ts
+++ b/apps/server/src/game/engine.test.ts
@@ -66,6 +66,7 @@ function setup(roundDurationSec: number): {
   const options: GameEngineOptions = {
     createRound: () => dummyRound,
     revealPauseMs: 0,
+    leadMs: 0,
   }
   return { io, emits, rooms, room, p1: a.id, p2: b.id, options }
 }
@@ -109,8 +110,9 @@ describe("GameEngine", () => {
     const ack = emits.find((e) => e.event === "round:voteAck")!.payload as {
       count: number
       total: number
+      voted: string[]
     }
-    expect(ack).toEqual({ count: 1, total: 2 })
+    expect(ack).toEqual({ count: 1, total: 2, voted: [p1] })
 
     engine.handleVote(p2, { choiceIndex: 0 })
     await run
diff --git a/apps/server/src/game/engine.ts b/apps/server/src/game/engine.ts
index f4a8df9..3bef317 100644
--- a/apps/server/src/game/engine.ts
+++ b/apps/server/src/game/engine.ts
@@ -22,11 +22,15 @@ export interface GameEngineOptions {
   createRound?: (type: RoundConfig["type"]) => GameRound
   /** Pause d'affichage du reveal/scores entre deux manches (ms). */
   revealPauseMs?: number
+  /** Délai de préparation avant le démarrage du chrono (transition WarioWare, ms). */
+  leadMs?: number
   /** Permet de patcher l'horloge en test ; défaut = Date.now. */
   now?: () => number
 }
 
 const DEFAULT_REVEAL_PAUSE_MS = 5000
+// Le chrono ne démarre qu'après ce délai, le temps que la transition s'affiche.
+const DEFAULT_LEAD_MS = 1600
 
 export class GameEngine implements RoomGameController {
   private runtime: RoundRuntime | null = null
@@ -34,6 +38,7 @@ export class GameEngine implements RoomGameController {
   private resolveRoundEnd: (() => void) | null = null
   private readonly createRound: (type: RoundConfig["type"]) => GameRound
   private readonly revealPauseMs: number
+  private readonly leadMs: number
   private readonly now: () => number
 
   constructor(
@@ -44,6 +49,7 @@ export class GameEngine implements RoomGameController {
   ) {
     this.createRound = options.createRound ?? defaultCreateRound
     this.revealPauseMs = options.revealPauseMs ?? DEFAULT_REVEAL_PAUSE_MS
+    this.leadMs = options.leadMs ?? DEFAULT_LEAD_MS
     this.now = options.now ?? Date.now
   }
 
@@ -73,6 +79,7 @@ export class GameEngine implements RoomGameController {
     this.io.to(this.room.code).emit("round:voteAck", {
       count: this.runtime.votes.size,
       total,
+      voted: [...this.runtime.votes.keys()],
     })
     // Fin anticipée : tous les éligibles ont voté.
     if (total > 0 && this.runtime.votes.size >= total) {
@@ -84,7 +91,9 @@ export class GameEngine implements RoomGameController {
     const round = this.createRound(config.type)
     const start = round.start(this.room)
     const durationSec = start.durationSec ?? this.room.settings.roundDuration
-    const startedAt = this.now()
+    const now = this.now()
+    // Les réponses ne comptent qu'après le délai de préparation (transition).
+    const startedAt = now + this.leadMs
     const endsAt = startedAt + durationSec * 1000
 
     this.runtime = {
@@ -100,6 +109,7 @@ export class GameEngine implements RoomGameController {
     this.io.to(this.room.code).emit("round:start", {
       type: round.type,
       djId: this.runtime.djId ?? undefined,
+      startsAt: startedAt,
       endsAt,
       payload: start.payload,
     })
@@ -107,7 +117,7 @@ export class GameEngine implements RoomGameController {
     // Attend la première condition de fin : timer écoulé OU tous votés.
     await new Promise<void>((resolve) => {
       this.resolveRoundEnd = resolve
-      this.timer = setTimeout(() => this.endRound(), durationSec * 1000)
+      this.timer = setTimeout(() => this.endRound(), endsAt - now)
     })
 
     const ctx = this.context(this.runtime)
diff --git a/apps/server/src/game/modes/index.ts b/apps/server/src/game/modes/index.ts
new file mode 100644
index 0000000..d413056
--- /dev/null
+++ b/apps/server/src/game/modes/index.ts
@@ -0,0 +1,4 @@
+// Point d'enregistrement de toutes les épreuves. Importé une fois au démarrage
+// pour ses effets de bord (registerRound). Ajouter un mode = une ligne ici.
+
+import "./quiz"
diff --git a/apps/server/src/game/modes/quiz/index.ts b/apps/server/src/game/modes/quiz/index.ts
new file mode 100644
index 0000000..4c45f97
--- /dev/null
+++ b/apps/server/src/game/modes/quiz/index.ts
@@ -0,0 +1,7 @@
+import { registerRound } from "../../registry"
+import { QuizRound } from "./quiz-round"
+
+// Brancher l'épreuve = un seul registerRound, aucune plomberie à toucher.
+registerRound("quiz", () => new QuizRound())
+
+export { QuizRound }
diff --git a/apps/server/src/game/modes/quiz/questions.ts b/apps/server/src/game/modes/quiz/questions.ts
new file mode 100644
index 0000000..3c4af08
--- /dev/null
+++ b/apps/server/src/game/modes/quiz/questions.ts
@@ -0,0 +1,110 @@
+// Banque de questions en dur pour la V1 (mode quiz culture geek).
+// Le seed Open Trivia DB + le back-office manuel arrivent aux étapes 5 et 7 ;
+// d'ici là, ce petit jeu suffit à jouer une partie complète de bout en bout.
+
+import type { QuizFormat } from "@nerdware/shared"
+
+export interface QuizQuestion {
+  id: string
+  format: QuizFormat
+  prompt: string
+  choices: string[]
+  correctIndex: number
+  category: string
+  difficulty: number
+}
+
+const TRUE_FALSE = ["Vrai", "Faux"]
+
+export const QUIZ_QUESTIONS: QuizQuestion[] = [
+  {
+    id: "q-zelda-princess",
+    format: "mcq",
+    prompt: "Dans la saga The Legend of Zelda, quel est le nom du héros ?",
+    choices: ["Zelda", "Link", "Ganon", "Navi"],
+    correctIndex: 1,
+    category: "Jeux vidéo",
+    difficulty: 1,
+  },
+  {
+    id: "q-mario-plumber",
+    format: "truefalse",
+    prompt: "Mario est plombier de profession.",
+    choices: TRUE_FALSE,
+    correctIndex: 0,
+    category: "Jeux vidéo",
+    difficulty: 1,
+  },
+  {
+    id: "q-onepiece-captain",
+    format: "mcq",
+    prompt: "Qui est le capitaine de l'équipage du Chapeau de paille dans One Piece ?",
+    choices: ["Zoro", "Sanji", "Luffy", "Usopp"],
+    correctIndex: 2,
+    category: "Manga",
+    difficulty: 1,
+  },
+  {
+    id: "q-pokemon-first",
+    format: "mcq",
+    prompt: "Quel Pokémon porte le numéro 001 dans le Pokédex national ?",
+    choices: ["Salamèche", "Carapuce", "Pikachu", "Bulbizarre"],
+    correctIndex: 3,
+    category: "Jeux vidéo",
+    difficulty: 2,
+  },
+  {
+    id: "q-naruto-village",
+    format: "mcq",
+    prompt: "De quel village ninja Naruto est-il originaire ?",
+    choices: ["Konoha", "Suna", "Kiri", "Iwa"],
+    correctIndex: 0,
+    category: "Manga",
+    difficulty: 2,
+  },
+  {
+    id: "q-minecraft-creeper",
+    format: "truefalse",
+    prompt: "Dans Minecraft, le Creeper explose au contact du joueur.",
+    choices: TRUE_FALSE,
+    correctIndex: 0,
+    category: "Jeux vidéo",
+    difficulty: 1,
+  },
+  {
+    id: "q-starwars-vador",
+    format: "mcq",
+    prompt: "Dans Star Wars, qui est le père de Luke Skywalker ?",
+    choices: ["Obi-Wan Kenobi", "Dark Vador", "Yoda", "Palpatine"],
+    correctIndex: 1,
+    category: "Pop culture",
+    difficulty: 1,
+  },
+  {
+    id: "q-dbz-kamehameha",
+    format: "mcq",
+    prompt: "Dans Dragon Ball, quelle attaque emblématique Sangoku utilise-t-il ?",
+    choices: ["Genkidama", "Kamehameha", "Final Flash", "Makankosappo"],
+    correctIndex: 1,
+    category: "Manga",
+    difficulty: 1,
+  },
+  {
+    id: "q-tetris-origin",
+    format: "truefalse",
+    prompt: "Le jeu Tetris a été créé par un développeur soviétique.",
+    choices: TRUE_FALSE,
+    correctIndex: 0,
+    category: "Jeux vidéo",
+    difficulty: 2,
+  },
+  {
+    id: "q-matrix-pill",
+    format: "mcq",
+    prompt: "Dans Matrix, quelle pilule Neo doit-il prendre pour découvrir la vérité ?",
+    choices: ["La bleue", "La rouge", "La verte", "La jaune"],
+    correctIndex: 1,
+    category: "Pop culture",
+    difficulty: 1,
+  },
+]
diff --git a/apps/server/src/game/modes/quiz/quiz-round.test.ts b/apps/server/src/game/modes/quiz/quiz-round.test.ts
new file mode 100644
index 0000000..6d5bbe6
--- /dev/null
+++ b/apps/server/src/game/modes/quiz/quiz-round.test.ts
@@ -0,0 +1,59 @@
+import { describe, expect, test } from "bun:test"
+import { RoomManager } from "../../../rooms"
+import type { RoundContext } from "../../round"
+import { QuizRound } from "./quiz-round"
+import { QUIZ_QUESTIONS } from "./questions"
+
+const question = QUIZ_QUESTIONS[0] // "Link" → correctIndex 1
+
+function makeCtx(): { ctx: RoundContext; p1: string; p2: string } {
+  const rooms = new RoomManager()
+  const { room, player: a } = rooms.create("Alice", "sa")
+  const { player: b } = rooms.join(room.code, "Bob", "sb")
+  const ctx: RoundContext = {
+    room,
+    djId: null,
+    votes: new Map(),
+    startedAt: 0,
+    endsAt: 10_000,
+    data: { question, votedAt: new Map() },
+  }
+  return { ctx, p1: a.id, p2: b.id }
+}
+
+describe("QuizRound", () => {
+  test("verrouille le premier vote (idempotent)", () => {
+    const round = new QuizRound(() => 1000)
+    const { ctx, p1 } = makeCtx()
+    round.submitAnswer(ctx, p1, { choiceIndex: 1 })
+    round.submitAnswer(ctx, p1, { choiceIndex: 0 }) // ignoré
+    expect(ctx.votes.get(p1)).toEqual({ choiceIndex: 1 })
+  })
+
+  test("ignore un index hors bornes", () => {
+    const round = new QuizRound(() => 1000)
+    const { ctx, p1 } = makeCtx()
+    round.submitAnswer(ctx, p1, { choiceIndex: 99 })
+    expect(ctx.votes.has(p1)).toBe(false)
+  })
+
+  test("reveal expose la vérité + le résultat par joueur", () => {
+    const round = new QuizRound(() => 1000)
+    const { ctx, p1, p2 } = makeCtx()
+    round.submitAnswer(ctx, p1, { choiceIndex: 1 }) // juste
+    round.submitAnswer(ctx, p2, { choiceIndex: 0 }) // faux
+    const { truth, perPlayerResult } = round.reveal(ctx)
+    expect(truth.correctIndex).toBe(question.correctIndex)
+    expect(perPlayerResult[p1]).toEqual({ choiceIndex: 1, correct: true })
+    expect(perPlayerResult[p2]).toEqual({ choiceIndex: 0, correct: false })
+  })
+
+  test("score = base + bonus rapidité pour les bonnes réponses uniquement", () => {
+    const round = new QuizRound(() => 1000) // vote à t=1000 sur 10000 → reste 90%
+    const { ctx, p1, p2 } = makeCtx()
+    round.submitAnswer(ctx, p1, { choiceIndex: 1 }) // juste, rapide
+    round.submitAnswer(ctx, p2, { choiceIndex: 0 }) // faux
+    const deltas = round.score(ctx)
+    expect(deltas).toEqual([{ playerId: p1, delta: 190 }]) // 100 + round(100 * 0.9)
+  })
+})
diff --git a/apps/server/src/game/modes/quiz/quiz-round.ts b/apps/server/src/game/modes/quiz/quiz-round.ts
new file mode 100644
index 0000000..55116e8
--- /dev/null
+++ b/apps/server/src/game/modes/quiz/quiz-round.ts
@@ -0,0 +1,115 @@
+// Épreuve Quiz : une question = une manche. Pas de DJ, pas d'audio.
+// Implémente le contrat GameRound ; le moteur fait tout le reste.
+
+import type {
+  Answer,
+  QuizPerPlayerResult,
+  QuizQuestionPayload,
+  QuizRevealTruth,
+  ScoreDelta,
+} from "@nerdware/shared"
+import type { GameRound, RoundContext, RoundStart } from "../../round"
+import type { ServerRoom } from "../../../rooms"
+import { QUIZ_QUESTIONS, type QuizQuestion } from "./questions"
+
+const BASE_POINTS = 100
+const SPEED_BONUS_MAX = 100
+
+/** Données privées de la manche (jamais diffusées). */
+interface QuizRoundData {
+  question: QuizQuestion
+  /** Premier instant de vote par joueur, pour le bonus rapidité. */
+  votedAt: Map<string, number>
+}
+
+// Anti-répétition à l'échelle d'une partie : questions déjà jouées par room.
+const playedByRoom = new WeakMap<ServerRoom, Set<string>>()
+
+function pickQuestion(room: ServerRoom): QuizQuestion {
+  let played = playedByRoom.get(room)
+  if (!played) {
+    played = new Set()
+    playedByRoom.set(room, played)
+  }
+  let pool = QUIZ_QUESTIONS.filter((q) => !played.has(q.id))
+  if (pool.length === 0) {
+    // Banque épuisée sur cette partie : on autorise à nouveau les répétitions.
+    played.clear()
+    pool = QUIZ_QUESTIONS
+  }
+  const question = pool[Math.floor(Math.random() * pool.length)]
+  played.add(question.id)
+  return question
+}
+
+function isQuizAnswer(answer: Answer): answer is { choiceIndex: number } {
+  return (
+    typeof (answer as { choiceIndex?: unknown }).choiceIndex === "number"
+  )
+}
+
+export class QuizRound implements GameRound {
+  readonly type = "quiz" as const
+
+  constructor(private readonly now: () => number = Date.now) {}
+
+  start(room: ServerRoom): RoundStart {
+    const question = pickQuestion(room)
+    const payload: QuizQuestionPayload = {
+      format: question.format,
+      prompt: question.prompt,
+      choices: question.choices,
+      category: question.category,
+      difficulty: question.difficulty,
+    }
+    const data: QuizRoundData = { question, votedAt: new Map() }
+    return { djId: null, payload, data }
+  }
+
+  submitAnswer(ctx: RoundContext, playerId: string, answer: Answer): void {
+    // Premier vote verrouillé (idempotent) : on ignore les votes suivants.
+    if (ctx.votes.has(playerId)) {
+      return
+    }
+    if (!isQuizAnswer(answer)) {
+      return
+    }
+    const { question, votedAt } = ctx.data as QuizRoundData
+    if (answer.choiceIndex < 0 || answer.choiceIndex >= question.choices.length) {
+      return
+    }
+    ctx.votes.set(playerId, { choiceIndex: answer.choiceIndex })
+    votedAt.set(playerId, this.now())
+  }
+
+  reveal(ctx: RoundContext): { truth: QuizRevealTruth; perPlayerResult: QuizPerPlayerResult } {
+    const { question } = ctx.data as QuizRoundData
+    const perPlayerResult: QuizPerPlayerResult = {}
+    for (const player of ctx.room.players.values()) {
+      const vote = ctx.votes.get(player.id) as { choiceIndex: number } | undefined
+      const choiceIndex = vote ? vote.choiceIndex : null
+      perPlayerResult[player.id] = {
+        choiceIndex,
+        correct: choiceIndex === question.correctIndex,
+      }
+    }
+    return { truth: { correctIndex: question.correctIndex }, perPlayerResult }
+  }
+
+  score(ctx: RoundContext): ScoreDelta[] {
+    const { question, votedAt } = ctx.data as QuizRoundData
+    const total = ctx.endsAt - ctx.startedAt
+    const deltas: ScoreDelta[] = []
+    for (const [playerId, vote] of ctx.votes) {
+      if ((vote as { choiceIndex: number }).choiceIndex !== question.correctIndex) {
+        continue
+      }
+      // Bonus rapidité : proportionnel au temps restant au moment du vote.
+      const at = votedAt.get(playerId) ?? ctx.endsAt
+      const remaining = Math.max(0, Math.min(1, (ctx.endsAt - at) / total))
+      const bonus = Math.round(SPEED_BONUS_MAX * remaining)
+      deltas.push({ playerId, delta: BASE_POINTS + bonus })
+    }
+    return deltas
+  }
+}
diff --git a/apps/server/src/index.ts b/apps/server/src/index.ts
index b613840..5990a3f 100644
--- a/apps/server/src/index.ts
+++ b/apps/server/src/index.ts
@@ -2,6 +2,7 @@ import Fastify from "fastify"
 import cors from "@fastify/cors"
 import { env, isDev } from "./env"
 import { createSocketServer } from "./socket"
+import "./game/modes" // enregistre les épreuves (registerRound)
 
 const app = Fastify({
   logger: isDev
diff --git a/apps/web/package.json b/apps/web/package.json
index 2c7c96e..ce1306e 100644
--- a/apps/web/package.json
+++ b/apps/web/package.json
@@ -12,8 +12,11 @@
     "preview": "vite preview"
   },
   "dependencies": {
+    "@dicebear/core": "^10",
+    "@dicebear/styles": "^10",
     "@nerdware/shared": "workspace:*",
     "@workspace/ui": "workspace:*",
+    "framer-motion": "^11",
     "lucide-react": "^1.17.0",
     "react": "^19.2.6",
     "react-dom": "^19.2.6",
diff --git a/apps/web/src/App.tsx b/apps/web/src/App.tsx
index dce07e3..3aca4dd 100644
--- a/apps/web/src/App.tsx
+++ b/apps/web/src/App.tsx
@@ -1,13 +1,13 @@
 import { Route, Switch } from "wouter"
 import { HomePage } from "@/pages/home"
-import { LobbyPage } from "@/pages/lobby"
+import { RoomPage } from "@/pages/room"
 
 export function App() {
   return (
     <Switch>
       <Route path="/" component={HomePage} />
       <Route path="/room/:code">
-        {(params) => <LobbyPage code={params.code.toUpperCase()} />}
+        {(params) => <RoomPage code={params.code.toUpperCase()} />}
       </Route>
       <Route>
         <div className="flex min-h-svh items-center justify-center p-6">
diff --git a/apps/web/src/assets/transitions/README.md b/apps/web/src/assets/transitions/README.md
new file mode 100644
index 0000000..eb8792a
--- /dev/null
+++ b/apps/web/src/assets/transitions/README.md
@@ -0,0 +1,15 @@
+# Animations de transition (style WarioWare)
+
+Dépose ici des fichiers d'animation pour les transitions entre manches :
+formats supportés `*.gif`, `*.webp`, `*.apng`, `*.png`, `*.avif`.
+
+- Ils sont détectés automatiquement au build (`import.meta.glob`).
+- À chaque manche, un fichier est tiré **au hasard** parmi ceux présents.
+- S'il n'y en a aucun, l'animation Framer par défaut (numéro + « PRÊT ?! ») est jouée.
+
+Le média est centré, limité à 70vh / 80vw, et joué par-dessus le wipe coloré
+plein écran. Durée d'affichage ≈ 1,3 s (voir `VISIBLE_MS` dans
+`src/components/round-transition.tsx`), calée sur le délai de préparation
+serveur (`leadMs`) pour ne pas rogner le temps de réponse.
+
+> ⚠️ N'utilise que des médias dont tu as les droits (pas d'assets Nintendo).
diff --git a/apps/web/src/components/avatar.tsx b/apps/web/src/components/avatar.tsx
new file mode 100644
index 0000000..3a876c9
--- /dev/null
+++ b/apps/web/src/components/avatar.tsx
@@ -0,0 +1,28 @@
+import { Avatar as DicebearAvatar, Style } from "@dicebear/core"
+import loreleiDefinition from "@dicebear/styles/lorelei.json"
+
+// Génération locale (pas d'appel à l'API DiceBear) : self-hosted, offline,
+// aucun pseudo envoyé à un tiers. Lorelei par Lisa Wischofsky — licence CC0 1.0.
+const style = new Style(loreleiDefinition)
+const cache = new Map<string, string>()
+
+/** Data URI de l'avatar pour un seed donné, mémoïsé. */
+function avatarUri(seed: string): string {
+  let uri = cache.get(seed)
+  if (!uri) {
+    uri = new DicebearAvatar(style, { seed }).toDataUri()
+    cache.set(seed, uri)
+  }
+  return uri
+}
+
+/** Avatar DiceBear (style lorelei), seedé par le pseudo → stable et reconnaissable. */
+export function Avatar({ seed, className }: { seed: string; className?: string }) {
+  return (
+    <img
+      src={avatarUri(seed)}
+      alt={`Avatar de ${seed}`}
+      className={`bg-muted shrink-0 rounded-full ${className ?? ""}`}
+    />
+  )
+}
diff --git a/apps/web/src/components/boom.tsx b/apps/web/src/components/boom.tsx
new file mode 100644
index 0000000..6670893
--- /dev/null
+++ b/apps/web/src/components/boom.tsx
@@ -0,0 +1,35 @@
+import { createPortal } from "react-dom"
+import { motion } from "framer-motion"
+
+/**
+ * Explosion plein écran : flash blanc + 💥 géant.
+ * Rendue dans document.body via portal pour échapper aux transforms parents,
+ * et montée avec une `key` qui change → l'animation rejoue à chaque boom.
+ */
+export function Boom() {
+  return createPortal(
+    <div className="pointer-events-none fixed inset-0 z-50 flex items-center justify-center overflow-hidden">
+      <motion.div
+        className="absolute inset-0 bg-white"
+        initial={{ opacity: 0 }}
+        animate={{ opacity: [0, 0.9, 0] }}
+        transition={{ duration: 0.5, times: [0, 0.12, 1], ease: "easeOut" }}
+      />
+      <motion.span
+        className="relative leading-none select-none"
+        style={{ fontSize: "45vmin" }}
+        initial={{ scale: 0, rotate: -20, opacity: 0 }}
+        animate={{
+          scale: [0, 1.35, 1.1],
+          rotate: [-20, 12, 0],
+          opacity: [0, 1, 0],
+          x: [0, 12, -8, 0],
+        }}
+        transition={{ duration: 0.8, times: [0, 0.3, 1], ease: "easeOut" }}
+      >
+        💥
+      </motion.span>
+    </div>,
+    document.body
+  )
+}
diff --git a/apps/web/src/components/countdown.tsx b/apps/web/src/components/countdown.tsx
new file mode 100644
index 0000000..e50e4b1
--- /dev/null
+++ b/apps/web/src/components/countdown.tsx
@@ -0,0 +1,87 @@
+import { useEffect, useRef, useState } from "react"
+import { motion } from "framer-motion"
+import { useRoomStore } from "@/store/room"
+
+const DANGER_FROM = 10 // secondes : seuil d'entrée en mode "bombe"
+
+/**
+ * Secondes restantes. Avant `startsAt` (phase de préparation / transition),
+ * on affiche la durée pleine sans décompter.
+ */
+function secondsLeft(startsAt: number, endsAt: number): number {
+  const now = Date.now()
+  if (now < startsAt) {
+    return Math.ceil((endsAt - startsAt) / 1000)
+  }
+  return Math.max(0, Math.ceil((endsAt - now) / 1000))
+}
+
+function lerp(a: number, b: number, t: number): number {
+  return a + (b - a) * t
+}
+
+/** Blanc → rouge sur les DANGER_FROM dernières secondes. */
+function dangerColor(t: number): string {
+  const r = Math.round(lerp(255, 239, t))
+  const g = Math.round(lerp(255, 68, t))
+  const b = Math.round(lerp(255, 68, t))
+  return `rgb(${r}, ${g}, ${b})`
+}
+
+export function Countdown({
+  startsAt,
+  endsAt,
+}: {
+  startsAt: number
+  endsAt: number
+}) {
+  const [left, setLeft] = useState(() => secondsLeft(startsAt, endsAt))
+  const boom = useRoomStore((s) => s.boom)
+  const boomed = useRef(false)
+
+  useEffect(() => {
+    const id = setInterval(() => setLeft(secondsLeft(startsAt, endsAt)), 250)
+    return () => clearInterval(id)
+  }, [startsAt, endsAt])
+
+  // Déclenche l'explosion une seule fois au passage à 0 (fin au timer).
+  useEffect(() => {
+    if (left === 0 && !boomed.current) {
+      boomed.current = true
+      boom()
+    }
+  }, [left, boom])
+
+  const exploded = left === 0
+  const danger = left <= DANGER_FROM && left > 0
+  // 0 (début du danger) → 1 (explosion imminente)
+  const intensity = danger ? Math.min(1, (DANGER_FROM - left) / DANGER_FROM) : 0
+
+  // Plus on approche de 0, plus le "battement" est ample et rapide.
+  const peak = 1.15 + intensity * 0.5
+  const wiggle = 4 + intensity * 12
+  const duration = 0.7 - intensity * 0.46
+
+  return (
+    <motion.span
+      className="font-heading inline-flex items-center gap-1 text-2xl font-bold tabular-nums"
+      style={{ color: danger ? dangerColor(intensity) : undefined }}
+      animate={
+        danger
+          ? {
+              scale: [1, peak, 0.92, peak * 0.97, 1],
+              rotate: [0, -wiggle, wiggle, -wiggle * 0.6, 0],
+            }
+          : { scale: 1, rotate: 0 }
+      }
+      transition={
+        danger
+          ? { duration, repeat: Infinity, ease: "easeInOut" }
+          : { duration: 0.2 }
+      }
+    >
+      {danger && <span aria-hidden>💣</span>}
+      {exploded ? "💥" : left}
+    </motion.span>
+  )
+}
diff --git a/apps/web/src/components/game-end-view.tsx b/apps/web/src/components/game-end-view.tsx
new file mode 100644
index 0000000..28c1ae9
--- /dev/null
+++ b/apps/web/src/components/game-end-view.tsx
@@ -0,0 +1,204 @@
+import { Link } from "wouter"
+import { motion } from "framer-motion"
+import { Crown } from "lucide-react"
+import type { PlayerScore, RoomSnapshot } from "@nerdware/shared"
+import { Button } from "@workspace/ui/components/button"
+import { useRoomStore } from "@/store/room"
+import { Avatar } from "@/components/avatar"
+
+type Place = 1 | 2 | 3
+
+// Hauteur de marche, couleurs (or / argent / bronze) et taille d'avatar par place.
+const PODIUM: Record<Place, {
+  bar: string
+  pedestal: string
+  text: string
+  ring: string
+  avatar: string
+}> = {
+  1: {
+    bar: "h-24",
+    pedestal: "border-amber-400 bg-gradient-to-b from-amber-400/30 to-amber-400/5",
+    text: "text-amber-400",
+    ring: "ring-amber-400",
+    avatar: "size-20",
+  },
+  2: {
+    bar: "h-16",
+    pedestal: "border-zinc-300/70 bg-gradient-to-b from-zinc-300/20 to-zinc-300/5",
+    text: "text-zinc-300",
+    ring: "ring-zinc-300",
+    avatar: "size-16",
+  },
+  3: {
+    bar: "h-12",
+    pedestal: "border-amber-700/70 bg-gradient-to-b from-amber-700/25 to-amber-700/5",
+    text: "text-amber-600",
+    ring: "ring-amber-700",
+    avatar: "size-16",
+  },
+}
+
+function PodiumColumn({
+  entry,
+  place,
+  name,
+  isMe,
+  delay,
+}: {
+  entry: PlayerScore
+  place: Place
+  name: string
+  isMe: boolean
+  delay: number
+}) {
+  const cfg = PODIUM[place]
+  return (
+    <motion.div
+      initial={{ y: 30, opacity: 0 }}
+      animate={{ y: 0, opacity: 1 }}
+      transition={{ type: "spring", stiffness: 260, damping: 22, delay }}
+      className="flex w-24 flex-col items-center gap-1"
+    >
+      <div className="relative">
+        {place === 1 && (
+          <motion.span
+            initial={{ y: -26, rotate: -25, opacity: 0 }}
+            animate={{ y: 0, rotate: 0, opacity: 1 }}
+            transition={{ type: "spring", stiffness: 500, damping: 14, delay: delay + 0.25 }}
+            className="absolute -top-5 left-1/2 z-10 -translate-x-1/2"
+          >
+            <Crown className="size-8 fill-amber-400 text-amber-400 drop-shadow" />
+          </motion.span>
+        )}
+        <motion.div
+          animate={
+            place === 1
+              ? {
+                  boxShadow: [
+                    "0 0 0px 0px rgba(251,191,36,0)",
+                    "0 0 24px 4px rgba(251,191,36,0.5)",
+                    "0 0 12px 2px rgba(251,191,36,0.25)",
+                  ],
+                }
+              : undefined
+          }
+          transition={{ duration: 2, repeat: Infinity, repeatType: "reverse" }}
+          className="rounded-full"
+        >
+          <Avatar seed={name} className={`${cfg.avatar} ring-2 ${cfg.ring}`} />
+        </motion.div>
+      </div>
+
+      <span className="max-w-24 truncate text-sm font-medium">
+        {name}
+        {isMe && <span className="text-muted-foreground"> (toi)</span>}
+      </span>
+      <span className={`font-heading text-lg font-black tabular-nums ${cfg.text}`}>
+        {entry.score}
+      </span>
+
+      <div
+        className={`mt-1 flex w-full items-start justify-center rounded-t-lg border-x border-t-2 pt-1 ${cfg.bar} ${cfg.pedestal}`}
+      >
+        <span className={`font-heading text-2xl font-black ${cfg.text}`}>
+          {place}
+        </span>
+      </div>
+    </motion.div>
+  )
+}
+
+export function GameEndView({ snapshot }: { snapshot: RoomSnapshot }) {
+  const playerId = useRoomStore((s) => s.playerId)
+  const finalScores = useRoomStore((s) => s.finalScores)
+  const reset = useRoomStore((s) => s.reset)
+
+  const scores: PlayerScore[] = finalScores ?? snapshot.scores
+  const ranked = [...scores].sort((a, b) => b.score - a.score)
+  const nameOf = (id: string) =>
+    snapshot.players.find((p) => p.id === id)?.name ?? "?"
+  const isMe = (id: string) => id === playerId
+
+  const [first, second, third] = ranked
+  const rest = ranked.slice(3)
+
+  return (
+    <div className="flex w-full max-w-md flex-col gap-6 text-center">
+      <header>
+        <p className="text-muted-foreground text-xs uppercase">
+          Partie terminée
+        </p>
+        <h2 className="font-heading text-2xl font-bold">
+          🏆 {first ? nameOf(first.playerId) : "?"} l'emporte !
+        </h2>
+      </header>
+
+      {/* Podium : 2e à gauche, champion au centre, 3e à droite. */}
+      <div className="mt-4 flex items-end justify-center gap-2">
+        {second && (
+          <PodiumColumn
+            entry={second}
+            place={2}
+            name={nameOf(second.playerId)}
+            isMe={isMe(second.playerId)}
+            delay={0.1}
+          />
+        )}
+        {first && (
+          <PodiumColumn
+            entry={first}
+            place={1}
+            name={nameOf(first.playerId)}
+            isMe={isMe(first.playerId)}
+            delay={0.3}
+          />
+        )}
+        {third && (
+          <PodiumColumn
+            entry={third}
+            place={3}
+            name={nameOf(third.playerId)}
+            isMe={isMe(third.playerId)}
+            delay={0}
+          />
+        )}
+      </div>
+
+      {rest.length > 0 && (
+        <ol className="flex flex-col gap-1">
+          {rest.map((s, i) => (
+            <li
+              key={s.playerId}
+              className={`bg-muted/40 flex items-center justify-between rounded-md px-3 py-2 text-sm ${
+                isMe(s.playerId) ? "ring-primary ring-2" : ""
+              }`}
+            >
+              <span className="flex items-center gap-2">
+                <span className="text-muted-foreground w-5 text-right tabular-nums">
+                  {i + 4}
+                </span>
+                <Avatar seed={nameOf(s.playerId)} className="size-7" />
+                <span>
+                  {nameOf(s.playerId)}
+                  {isMe(s.playerId) && (
+                    <span className="text-muted-foreground"> (toi)</span>
+                  )}
+                </span>
+              </span>
+              <span className="font-heading font-bold tabular-nums">
+                {s.score}
+              </span>
+            </li>
+          ))}
+        </ol>
+      )}
+
+      <Link href="/">
+        <Button variant="secondary" className="w-full" onClick={reset}>
+          Retour à l'accueil
+        </Button>
+      </Link>
+    </div>
+  )
+}
diff --git a/apps/web/src/components/lobby-view.tsx b/apps/web/src/components/lobby-view.tsx
new file mode 100644
index 0000000..b315a3f
--- /dev/null
+++ b/apps/web/src/components/lobby-view.tsx
@@ -0,0 +1,91 @@
+import { useState } from "react"
+import type { RoomSnapshot } from "@nerdware/shared"
+import { Button } from "@workspace/ui/components/button"
+import { useRoomStore } from "@/store/room"
+import { Avatar } from "@/components/avatar"
+
+const QUESTION_OPTIONS = [3, 5, 10]
+
+export function LobbyView({ snapshot }: { snapshot: RoomSnapshot }) {
+  const playerId = useRoomStore((s) => s.playerId)
+  const startGame = useRoomStore((s) => s.startGame)
+  const isHost = snapshot.hostId === playerId
+
+  const [count, setCount] = useState(5)
+  const [busy, setBusy] = useState(false)
+  const [error, setError] = useState<string | null>(null)
+
+  async function handleStart() {
+    setError(null)
+    setBusy(true)
+    try {
+      await startGame(count)
+    } catch (err) {
+      setError((err as { message?: string }).message ?? "Erreur")
+    } finally {
+      setBusy(false)
+    }
+  }
+
+  return (
+    <div className="flex w-full max-w-md flex-col gap-6">
+      <section className="flex flex-col gap-2">
+        <h2 className="text-muted-foreground text-sm font-medium">
+          Joueurs ({snapshot.players.length})
+        </h2>
+        <ul className="flex flex-col gap-1">
+          {snapshot.players.map((p) => (
+            <li
+              key={p.id}
+              className="bg-muted/40 flex items-center justify-between rounded-md px-3 py-2 text-sm"
+            >
+              <span
+                className={`flex items-center gap-2 ${p.connected ? "" : "opacity-40"}`}
+              >
+                <Avatar seed={p.name} className="size-11" />
+                {p.name}
+                {p.id === playerId && (
+                  <span className="text-muted-foreground"> (toi)</span>
+                )}
+              </span>
+              <span className="text-muted-foreground text-xs">
+                {p.id === snapshot.hostId ? "Hôte" : ""}
+                {!p.connected && " · hors ligne"}
+              </span>
+            </li>
+          ))}
+        </ul>
+      </section>
+
+      {isHost ? (
+        <section className="flex flex-col gap-3">
+          <div className="flex items-center justify-between">
+            <span className="text-sm font-medium">Questions de quiz</span>
+            <div className="flex gap-1">
+              {QUESTION_OPTIONS.map((n) => (
+                <Button
+                  key={n}
+                  size="sm"
+                  variant={count === n ? "default" : "secondary"}
+                  onClick={() => setCount(n)}
+                >
+                  {n}
+                </Button>
+              ))}
+            </div>
+          </div>
+          <Button disabled={busy} onClick={handleStart}>
+            {busy ? "Lancement…" : "Lancer la partie"}
+          </Button>
+          {error && (
+            <p className="text-destructive text-center text-sm">{error}</p>
+          )}
+        </section>
+      ) : (
+        <p className="text-muted-foreground text-center text-xs">
+          En attente du lancement de la partie par l'hôte…
+        </p>
+      )}
+    </div>
+  )
+}
diff --git a/apps/web/src/components/player-cards.tsx b/apps/web/src/components/player-cards.tsx
new file mode 100644
index 0000000..e079e68
--- /dev/null
+++ b/apps/web/src/components/player-cards.tsx
@@ -0,0 +1,107 @@
+import { AnimatePresence, motion } from "framer-motion"
+import { Check, Crown } from "lucide-react"
+import type { RoomSnapshot } from "@nerdware/shared"
+import { Avatar } from "@/components/avatar"
+
+interface PlayerCardsProps {
+  snapshot: RoomSnapshot
+  playerId: string | null
+  /** Affiche l'état de vote (manche en cours uniquement). */
+  showVoteStatus?: boolean
+  /** playerIds ayant déjà validé leur réponse. */
+  votedIds?: string[]
+}
+
+/** HUD persistant : une card par joueur avec son score, couronne au leader. */
+export function PlayerCards({
+  snapshot,
+  playerId,
+  showVoteStatus = false,
+  votedIds = [],
+}: PlayerCardsProps) {
+  const scoreOf = (id: string) =>
+    snapshot.scores.find((s) => s.playerId === id)?.score ?? 0
+
+  const max = Math.max(0, ...snapshot.players.map((p) => scoreOf(p.id)))
+  const ranked = [...snapshot.players].sort(
+    (a, b) => scoreOf(b.id) - scoreOf(a.id)
+  )
+  const voted = new Set(votedIds)
+
+  return (
+    <div className="flex flex-wrap justify-center gap-2">
+      <AnimatePresence initial={false}>
+        {ranked.map((p) => {
+          const score = scoreOf(p.id)
+          const isLeader = max > 0 && score === max
+          const isMe = p.id === playerId
+          const hasVoted = voted.has(p.id)
+          return (
+            <motion.div
+              key={p.id}
+              layout
+              transition={{ type: "spring", stiffness: 500, damping: 40 }}
+              className={`relative flex min-w-24 flex-col items-center gap-1 rounded-xl border px-3 py-2.5 ${
+                isLeader
+                  ? "border-amber-400/60 bg-amber-400/10"
+                  : "border-input bg-muted/40"
+              } ${isMe ? "ring-primary ring-2" : ""} ${
+                p.connected ? "" : "opacity-40"
+              }`}
+            >
+              {isLeader && (
+                <motion.span
+                  initial={{ scale: 0, rotate: -30 }}
+                  animate={{ scale: 1, rotate: 0 }}
+                  transition={{ type: "spring", stiffness: 600, damping: 20 }}
+                  className="absolute -top-2.5 text-amber-400"
+                >
+                  <Crown className="size-4 fill-amber-400" />
+                </motion.span>
+              )}
+              <Avatar
+                seed={p.name}
+                className={`size-14 ${isLeader ? "ring-2 ring-amber-400" : ""}`}
+              />
+              <span className="max-w-24 truncate text-xs font-medium">
+                {p.name}
+                {isMe && <span className="text-muted-foreground"> (toi)</span>}
+              </span>
+
+              <motion.span
+                key={score}
+                initial={{ scale: 1.4 }}
+                animate={{ scale: 1 }}
+                transition={{ type: "spring", stiffness: 500, damping: 25 }}
+                className="font-heading text-lg font-bold tabular-nums"
+              >
+                {score}
+              </motion.span>
+
+              {showVoteStatus &&
+                (hasVoted ? (
+                  <motion.span
+                    initial={{ scale: 0 }}
+                    animate={{ scale: 1 }}
+                    transition={{ type: "spring", stiffness: 600, damping: 18 }}
+                    className="flex items-center gap-0.5 text-[10px] font-medium text-green-500"
+                  >
+                    <Check className="size-3" /> Prêt
+                  </motion.span>
+                ) : (
+                  <span className="flex items-center gap-1 text-[10px]">
+                    <motion.span
+                      animate={{ opacity: [0.3, 1, 0.3] }}
+                      transition={{ duration: 1.1, repeat: Infinity }}
+                      className="bg-muted-foreground size-1.5 rounded-full"
+                    />
+                    <span className="text-muted-foreground">en attente</span>
+                  </span>
+                ))}
+            </motion.div>
+          )
+        })}
+      </AnimatePresence>
+    </div>
+  )
+}
diff --git a/apps/web/src/components/quiz-view.tsx b/apps/web/src/components/quiz-view.tsx
new file mode 100644
index 0000000..c4035da
--- /dev/null
+++ b/apps/web/src/components/quiz-view.tsx
@@ -0,0 +1,109 @@
+import type {
+  QuizPerPlayerResult,
+  QuizQuestionPayload,
+  QuizRevealTruth,
+  RoomSnapshot,
+} from "@nerdware/shared"
+import { useRoomStore } from "@/store/room"
+import { Countdown } from "@/components/countdown"
+
+export function QuizView({ snapshot }: { snapshot: RoomSnapshot }) {
+  const round = useRoomStore((s) => s.round)
+  const reveal = useRoomStore((s) => s.reveal)
+  const voteProgress = useRoomStore((s) => s.voteProgress)
+  const myChoiceIndex = useRoomStore((s) => s.myChoiceIndex)
+  const playerId = useRoomStore((s) => s.playerId)
+  const vote = useRoomStore((s) => s.vote)
+
+  if (!round) {
+    return (
+      <p className="text-muted-foreground text-sm">Préparation de la manche…</p>
+    )
+  }
+
+  const question = round.payload as QuizQuestionPayload
+  const truth = reveal ? (reveal.truth as QuizRevealTruth) : null
+  const showReveal = truth !== null
+  const myResult = reveal
+    ? (reveal.perPlayerResult as QuizPerPlayerResult)[playerId ?? ""]
+    : undefined
+
+  function choiceClass(index: number): string {
+    const base =
+      "w-full rounded-lg border px-4 py-3 text-left text-sm transition-colors"
+    if (showReveal) {
+      if (index === truth?.correctIndex) {
+        return `${base} border-green-500 bg-green-500/15 font-medium`
+      }
+      if (index === myChoiceIndex) {
+        return `${base} border-red-500 bg-red-500/10`
+      }
+      return `${base} border-input opacity-60`
+    }
+    if (index === myChoiceIndex) {
+      return `${base} border-primary bg-primary/10 font-medium`
+    }
+    return `${base} border-input hover:bg-muted/60`
+  }
+
+  return (
+    <div className="flex w-full max-w-md flex-col gap-5">
+      <header className="flex items-center justify-between">
+        <span className="text-muted-foreground text-xs uppercase">
+          Question {snapshot.currentRound + 1} / {snapshot.totalRounds}
+          {question.category ? ` · ${question.category}` : ""}
+        </span>
+        {!showReveal && (
+          <Countdown
+            key={round.endsAt}
+            startsAt={round.startsAt}
+            endsAt={round.endsAt}
+          />
+        )}
+      </header>
+
+      <h2 className="font-heading text-xl font-semibold text-balance">
+        {question.prompt}
+      </h2>
+
+      <div className="flex flex-col gap-2">
+        {question.choices.map((choice, index) => (
+          <button
+            key={index}
+            className={choiceClass(index)}
+            disabled={showReveal || myChoiceIndex !== null}
+            onClick={() => vote(index)}
+          >
+            {choice}
+          </button>
+        ))}
+      </div>
+
+      {!showReveal &&
+        (myChoiceIndex !== null ? (
+          <p className="text-muted-foreground text-center text-xs">
+            Réponse envoyée — en attente des autres
+            {voteProgress ? ` (${voteProgress.count}/${voteProgress.total})` : ""}
+          </p>
+        ) : (
+          voteProgress && (
+            <p className="text-muted-foreground text-center text-xs">
+              {voteProgress.count}/{voteProgress.total} ont répondu
+            </p>
+          )
+        ))}
+
+      {showReveal && (
+        <p
+          className={`text-center text-sm font-medium ${myResult?.correct ? "text-green-500" : "text-red-500"}`}
+        >
+          {myResult?.correct
+            ? "Bonne réponse ! 🎉"
+            : myResult?.choiceIndex == null
+              ? "Pas de réponse 😴"
+              : "Raté 💥"}
+        </p>
+      )}
+    </div>
+  )
+}
diff --git a/apps/web/src/components/room-code.tsx b/apps/web/src/components/room-code.tsx
new file mode 100644
index 0000000..58142df
--- /dev/null
+++ b/apps/web/src/components/room-code.tsx
@@ -0,0 +1,39 @@
+import { useState } from "react"
+import { Check, Copy } from "lucide-react"
+
+/** Code de room cliquable : copie dans le presse-papier avec retour visuel. */
+export function RoomCode({ code }: { code: string }) {
+  const [copied, setCopied] = useState(false)
+
+  async function copy() {
+    try {
+      await navigator.clipboard.writeText(code)
+      setCopied(true)
+      setTimeout(() => setCopied(false), 1500)
+    } catch {
+      // presse-papier indisponible (http non sécurisé) : on ignore silencieusement
+    }
+  }
+
+  return (
+    <button
+      onClick={copy}
+      title="Copier le code"
+      className="group flex items-center gap-2 text-left"
+    >
+      <span>
+        <span className="text-muted-foreground text-xs uppercase">
+          Code room
+        </span>
+        <span className="font-heading block text-2xl font-bold tracking-widest">
+          {code}
+        </span>
+      </span>
+      {copied ? (
+        <Check className="size-4 text-green-500" />
+      ) : (
+        <Copy className="text-muted-foreground group-hover:text-foreground size-4 transition-colors" />
+      )}
+    </button>
+  )
+}
diff --git a/apps/web/src/components/round-transition.tsx b/apps/web/src/components/round-transition.tsx
new file mode 100644
index 0000000..7d33241
--- /dev/null
+++ b/apps/web/src/components/round-transition.tsx
@@ -0,0 +1,111 @@
+import { useEffect, useState } from "react"
+import { createPortal } from "react-dom"
+import { AnimatePresence, motion } from "framer-motion"
+
+const VISIBLE_MS = 1300 // durée d'affichage avant le wipe de sortie (≈ leadMs serveur)
+
+// Animations custom déposées par l'utilisateur (gif/webp/apng/png/mp4...).
+// Glisse simplement des fichiers dans src/assets/transitions/ : ils sont
+// détectés au build et joués aléatoirement. Sinon, fallback animation Framer.
+const CUSTOM = Object.values(
+  import.meta.glob("../assets/transitions/*.{gif,webp,apng,png,avif}", {
+    eager: true,
+    import: "default",
+  })
+) as string[]
+
+/**
+ * Transition "WarioWare" jouée entre les manches : wipe coloré plein écran,
+ * média custom (si présent) ou sunburst + gros numéro qui rebondit, puis sortie.
+ * Montée avec une `key` qui change → rejoue à chaque manche.
+ */
+export function RoundTransition({ index }: { index: number }) {
+  const [show, setShow] = useState(true)
+  // Choix stable d'un média custom pour ce montage (varie d'une manche à l'autre).
+  const [media] = useState(() =>
+    CUSTOM.length ? CUSTOM[Math.floor(Math.random() * CUSTOM.length)] : null
+  )
+
+  useEffect(() => {
+    const t = setTimeout(() => setShow(false), VISIBLE_MS)
+    return () => clearTimeout(t)
+  }, [])
+
+  return createPortal(
+    <AnimatePresence>
+      {show && (
+        <motion.div
+          key="round-transition"
+          className="pointer-events-auto fixed inset-0 z-50 flex items-center justify-center overflow-hidden bg-gradient-to-br from-fuchsia-500 via-purple-600 to-indigo-700"
+          initial={{ clipPath: "inset(0 0 100% 0)" }}
+          animate={{ clipPath: "inset(0 0 0% 0)" }}
+          exit={{
+            clipPath: "inset(100% 0 0 0)",
+            transition: { duration: 0.3, ease: "easeIn" },
+          }}
+          transition={{ duration: 0.25, ease: "easeOut" }}
+        >
+          {media ? (
+            <motion.img
+              src={media}
+              alt=""
+              className="max-h-[70vh] max-w-[80vw] object-contain"
+              initial={{ scale: 0.6, opacity: 0 }}
+              animate={{ scale: [0.6, 1.08, 1], opacity: 1 }}
+              transition={{ duration: 0.45, times: [0, 0.6, 1], ease: "easeOut" }}
+            />
+          ) : (
+            <>
+              <motion.div
+                aria-hidden
+                className="absolute size-[220vmax] opacity-60"
+                style={{
+                  backgroundImage:
+                    "repeating-conic-gradient(rgba(255,255,255,0.12) 0deg 12deg, transparent 12deg 24deg)",
+                }}
+                animate={{ rotate: 360 }}
+                transition={{ duration: 7, repeat: Infinity, ease: "linear" }}
+              />
+
+              <motion.div
+                className="relative flex flex-col items-center"
+                initial={{ scale: 0, rotate: -12 }}
+                animate={{ scale: [0, 1.25, 1], rotate: [-12, 6, 0] }}
+                transition={{
+                  duration: 0.5,
+                  times: [0, 0.6, 1],
+                  delay: 0.12,
+                  ease: "easeOut",
+                }}
+              >
+                <span className="font-heading text-2xl font-black tracking-[0.35em] text-white uppercase drop-shadow">
+                  Question
+                </span>
+                <motion.span
+                  className="font-heading text-[26vmin] leading-none font-black text-yellow-300 drop-shadow-[0_5px_0_rgba(0,0,0,0.25)]"
+                  animate={{ scale: [1, 1.07, 1] }}
+                  transition={{
+                    duration: 0.4,
+                    repeat: Infinity,
+                    repeatType: "reverse",
+                  }}
+                >
+                  {index + 1}
+                </motion.span>
+                <motion.span
+                  initial={{ opacity: 0, y: 10 }}
+                  animate={{ opacity: 1, y: 0 }}
+                  transition={{ delay: 0.5 }}
+                  className="font-heading -rotate-3 text-3xl font-black text-white italic"
+                >
+                  PRÊT ?!
+                </motion.span>
+              </motion.div>
+            </>
+          )}
+        </motion.div>
+      )}
+    </AnimatePresence>,
+    document.body
+  )
+}
diff --git a/apps/web/src/pages/lobby.tsx b/apps/web/src/pages/lobby.tsx
deleted file mode 100644
index 4e763ba..0000000
--- a/apps/web/src/pages/lobby.tsx
+++ /dev/null
@@ -1,71 +0,0 @@
-import { Link } from "wouter"
-import { Button } from "@workspace/ui/components/button"
-import { useRoomStore } from "@/store/room"
-
-export function LobbyPage({ code }: { code: string }) {
-  const snapshot = useRoomStore((s) => s.snapshot)
-  const playerId = useRoomStore((s) => s.playerId)
-  const connected = useRoomStore((s) => s.connected)
-
-  // Pas de snapshot pour ce code (accès direct / refresh) : on renvoie à l'accueil.
-  if (!snapshot || snapshot.code !== code) {
-    return (
-      <div className="flex min-h-svh flex-col items-center justify-center gap-4 p-6 text-center">
-        <p className="text-muted-foreground text-sm">
-          Room introuvable ou session perdue.
-        </p>
-        <Link href="/">
-          <Button variant="secondary">Retour à l'accueil</Button>
-        </Link>
-      </div>
-    )
-  }
-
-  return (
-    <div className="flex min-h-svh items-center justify-center p-6">
-      <div className="flex w-full max-w-md flex-col gap-6">
-        <header className="flex items-center justify-between">
-          <div>
-            <p className="text-muted-foreground text-xs uppercase">Code room</p>
-            <p className="font-heading text-3xl font-bold tracking-widest">
-              {snapshot.code}
-            </p>
-          </div>
-          <span
-            className={`size-2.5 rounded-full ${connected ? "bg-green-500" : "bg-red-500"}`}
-            title={connected ? "Connecté" : "Déconnecté"}
-          />
-        </header>
-
-        <section className="flex flex-col gap-2">
-          <h2 className="text-muted-foreground text-sm font-medium">
-            Joueurs ({snapshot.players.length})
-          </h2>
-          <ul className="flex flex-col gap-1">
-            {snapshot.players.map((p) => (
-              <li
-                key={p.id}
-                className="bg-muted/40 flex items-center justify-between rounded-md px-3 py-2 text-sm"
-              >
-                <span className={p.connected ? "" : "opacity-40"}>
-                  {p.name}
-                  {p.id === playerId && (
-                    <span className="text-muted-foreground"> (toi)</span>
-                  )}
-                </span>
-                <span className="text-muted-foreground text-xs">
-                  {p.id === snapshot.hostId ? "Hôte" : ""}
-                  {!p.connected && " · hors ligne"}
-                </span>
-              </li>
-            ))}
-          </ul>
-        </section>
-
-        <p className="text-muted-foreground text-center text-xs">
-          En attente du lancement de la partie par l'hôte…
-        </p>
-      </div>
-    </div>
-  )
-}
diff --git a/apps/web/src/pages/room.tsx b/apps/web/src/pages/room.tsx
new file mode 100644
index 0000000..79e8212
--- /dev/null
+++ b/apps/web/src/pages/room.tsx
@@ -0,0 +1,71 @@
+import { Link } from "wouter"
+import { Button } from "@workspace/ui/components/button"
+import { useRoomStore } from "@/store/room"
+import { LobbyView } from "@/components/lobby-view"
+import { QuizView } from "@/components/quiz-view"
+import { GameEndView } from "@/components/game-end-view"
+import { PlayerCards } from "@/components/player-cards"
+import { RoomCode } from "@/components/room-code"
+import { Boom } from "@/components/boom"
+import { RoundTransition } from "@/components/round-transition"
+
+export function RoomPage({ code }: { code: string }) {
+  const snapshot = useRoomStore((s) => s.snapshot)
+  const playerId = useRoomStore((s) => s.playerId)
+  const connected = useRoomStore((s) => s.connected)
+  const boomKey = useRoomStore((s) => s.boomKey)
+  const roundKey = useRoomStore((s) => s.roundKey)
+  const voteProgress = useRoomStore((s) => s.voteProgress)
+
+  // Pas de snapshot pour ce code (accès direct / refresh) : retour à l'accueil.
+  if (!snapshot || snapshot.code !== code) {
+    return (
+      <div className="flex min-h-svh flex-col items-center justify-center gap-4 p-6 text-center">
+        <p className="text-muted-foreground text-sm">
+          Room introuvable ou session perdue.
+        </p>
+        <Link href="/">
+          <Button variant="secondary">Retour à l'accueil</Button>
+        </Link>
+      </div>
+    )
+  }
+
+  // Cards de scores visibles en permanence pendant le jeu (suivi continu).
+  const inGame =
+    snapshot.status === "in_round" ||
+    snapshot.status === "reveal" ||
+    snapshot.status === "scores"
+
+  return (
+    <div className="flex min-h-svh items-start justify-center p-6 pt-12">
+      <div className="flex w-full max-w-md flex-col gap-6">
+        <header className="flex items-center justify-between">
+          <RoomCode code={snapshot.code} />
+          <span
+            className={`size-2.5 rounded-full ${connected ? "bg-green-500" : "bg-red-500"}`}
+            title={connected ? "Connecté" : "Déconnecté"}
+          />
+        </header>
+
+        {inGame && (
+          <PlayerCards
+            snapshot={snapshot}
+            playerId={playerId}
+            showVoteStatus={snapshot.status === "in_round"}
+            votedIds={voteProgress?.voted}
+          />
+        )}
+
+        {snapshot.status === "lobby" && <LobbyView snapshot={snapshot} />}
+        {inGame && <QuizView snapshot={snapshot} />}
+        {snapshot.status === "ended" && <GameEndView snapshot={snapshot} />}
+      </div>
+
+      {boomKey > 0 && <Boom key={boomKey} />}
+      {roundKey > 0 && (
+        <RoundTransition key={roundKey} index={snapshot.currentRound} />
+      )}
+    </div>
+  )
+}
diff --git a/apps/web/src/store/room.ts b/apps/web/src/store/room.ts
index 09ba400..bf8d558 100644
--- a/apps/web/src/store/room.ts
+++ b/apps/web/src/store/room.ts
@@ -1,30 +1,70 @@
 import { create } from "zustand"
 import type {
   ErrorPayload,
+  PlayerScore,
   RoomCreatedPayload,
   RoomSnapshot,
+  RoundStartPayload,
+  VoteAckPayload,
 } from "@nerdware/shared"
 import { socket } from "@/lib/socket"
 
+/** Manche en cours côté client (depuis round:start). */
+export interface ActiveRound {
+  type: RoundStartPayload["type"]
+  djId?: string
+  startsAt: number
+  endsAt: number
+  payload: unknown
+}
+
+/** Reveal reçu (round:reveal), payloads typés par mode au moment de l'affichage. */
+export interface RoundReveal {
+  truth: unknown
+  perPlayerResult: unknown
+}
+
 interface RoomState {
   connected: boolean
-  /** Identité locale, persistée pour reconnaître "moi" dans le snapshot. */
+  /** Identité locale, pour reconnaître "moi" dans le snapshot. */
   playerId: string | null
   roomCode: string | null
   snapshot: RoomSnapshot | null
   lastError: ErrorPayload | null
+
+  // État de jeu (poussé par le moteur serveur).
+  round: ActiveRound | null
+  voteProgress: VoteAckPayload | null
+  reveal: RoundReveal | null
+  myChoiceIndex: number | null
+  finalScores: PlayerScore[] | null
+  /** Compteur d'explosions : incrémenté à chaque fin de manche au timer (boom à 0). */
+  boomKey: number
+  /** Compteur de manches : incrémenté à chaque round:start (transition WarioWare). */
+  roundKey: number
+
   createRoom: (playerName: string) => Promise<RoomCreatedPayload>
   joinRoom: (roomCode: string, playerName: string) => Promise<RoomCreatedPayload>
+  startGame: (questionCount: number) => Promise<void>
+  vote: (choiceIndex: number) => void
+  boom: () => void
   clearError: () => void
   reset: () => void
 }
 
-export const useRoomStore = create<RoomState>((set) => ({
+export const useRoomStore = create<RoomState>((set, get) => ({
   connected: socket.connected,
   playerId: null,
   roomCode: null,
   snapshot: null,
   lastError: null,
+  round: null,
+  voteProgress: null,
+  reveal: null,
+  myChoiceIndex: null,
+  finalScores: null,
+  boomKey: 0,
+  roundKey: 0,
 
   createRoom: (playerName) =>
     new Promise((resolve, reject) => {
@@ -52,8 +92,51 @@ export const useRoomStore = create<RoomState>((set) => ({
       })
     }),
 
+  startGame: (questionCount) =>
+    new Promise((resolve, reject) => {
+      const rounds = Array.from({ length: questionCount }, () => ({
+        type: "quiz" as const,
+      }))
+      // On pousse la séquence de manches, puis on lance.
+      socket.emit("lobby:updateSettings", {
+        blindtestMode: get().snapshot?.settings.blindtestMode ?? "title_artist",
+        roundDuration: 20,
+        rounds,
+      })
+      socket.emit("game:start", (res) => {
+        if (res.ok) {
+          resolve()
+        } else {
+          set({ lastError: res.error })
+          reject(res.error)
+        }
+      })
+    }),
+
+  vote: (choiceIndex) => {
+    if (get().myChoiceIndex !== null) {
+      return // vote déjà émis pour cette manche
+    }
+    set({ myChoiceIndex: choiceIndex })
+    socket.emit("round:vote", { answer: { choiceIndex } })
+  },
+
+  boom: () => set((s) => ({ boomKey: s.boomKey + 1 })),
+
   clearError: () => set({ lastError: null }),
-  reset: () => set({ roomCode: null, snapshot: null, lastError: null }),
+  reset: () =>
+    set({
+      roomCode: null,
+      snapshot: null,
+      lastError: null,
+      round: null,
+      voteProgress: null,
+      reveal: null,
+      myChoiceIndex: null,
+      finalScores: null,
+      boomKey: 0,
+      roundKey: 0,
+    }),
 }))
 
 // Listeners socket → on pousse l'état serveur dans le store (source de vérité).
@@ -61,3 +144,26 @@ socket.on("connect", () => useRoomStore.setState({ connected: true }))
 socket.on("disconnect", () => useRoomStore.setState({ connected: false }))
 socket.on("room:state", (snapshot) => useRoomStore.setState({ snapshot }))
 socket.on("error", (error) => useRoomStore.setState({ lastError: error }))
+
+socket.on("round:start", (payload) =>
+  useRoomStore.setState((s) => ({
+    round: {
+      type: payload.type,
+      djId: payload.djId,
+      startsAt: payload.startsAt,
+      endsAt: payload.endsAt,
+      payload: payload.payload,
+    },
+    voteProgress: null,
+    reveal: null,
+    myChoiceIndex: null,
+    roundKey: s.roundKey + 1,
+  }))
+)
+socket.on("round:voteAck", (voteProgress) =>
+  useRoomStore.setState({ voteProgress })
+)
+socket.on("round:reveal", (reveal) => useRoomStore.setState({ reveal }))
+socket.on("game:end", ({ finalScores }) =>
+  useRoomStore.setState({ finalScores })
+)
diff --git a/apps/web/tsconfig.app.json b/apps/web/tsconfig.app.json
index 03ddd3f..60be5f1 100644
--- a/apps/web/tsconfig.app.json
+++ b/apps/web/tsconfig.app.json
@@ -9,6 +9,7 @@
 
     /* Bundler mode */
     "moduleResolution": "bundler",
+    "resolveJsonModule": true,
     "allowImportingTsExtensions": true,
     "verbatimModuleSyntax": true,
     "moduleDetection": "force",
diff --git a/bun.lock b/bun.lock
index 515f883..5810c19 100644
--- a/bun.lock
+++ b/bun.lock
@@ -35,8 +35,11 @@
       "name": "web",
       "version": "0.0.1",
       "dependencies": {
+        "@dicebear/core": "^10",
+        "@dicebear/styles": "^10",
         "@nerdware/shared": "workspace:*",
         "@workspace/ui": "workspace:*",
+        "framer-motion": "^11",
         "lucide-react": "^1.17.0",
         "react": "^19.2.6",
         "react-dom": "^19.2.6",
@@ -162,6 +165,10 @@
 
     "@babel/types": ["@babel/types@7.29.7", "", { "dependencies": { "@babel/helper-string-parser": "^7.29.7", "@babel/helper-validator-identifier": "^7.29.7" } }, "sha512-4zBIxpPzowiZpusoFkyGVwakdRJUyuH5PxQ/PrqghfdFWWasvnCdPfQXHrenDai+gyLARulZjZowCOj6fjT4pA=="],
 
+    "@dicebear/core": ["@dicebear/core@10.1.0", "", {}, "sha512-OzwokGKfSJCTHNATS87Rl3Fbf00FvqKamitVaBsgm535paz09Vdgwv4QxwHR6CZUsrCdMJn+j/RfZX4o2iNk5g=="],
+
+    "@dicebear/styles": ["@dicebear/styles@10.2.0", "", {}, "sha512-o4rw0+7Q7sSAyr9YxYrUe3jCxlOAzEcBvbQvl4hQKQ+9WNmBK4p7wGYvsmGeJbxFh8y/Ux6ltrCPyXBIDV6qYA=="],
+
     "@dotenvx/dotenvx": ["@dotenvx/dotenvx@1.71.0", "", { "dependencies": { "commander": "^11.1.0", "dotenv": "^17.2.1", "eciesjs": "^0.4.10", "enquirer": "^2.4.1", "execa": "^5.1.1", "fdir": "^6.2.0", "ignore": "^5.3.0", "object-treeify": "1.1.33", "picomatch": "^4.0.4", "which": "^4.0.0", "yocto-spinner": "^1.1.0" }, "bin": { "dotenvx": "src/cli/dotenvx.js" } }, "sha512-KEUw/mGu+EDRhYWRTNGHIimVCs9NvMFaIXOGrHSXoCteKLE5EsJnmPjOPpYorjXVg/0xG0fbdVw720azw1z4ag=="],
 
     "@ecies/ciphers": ["@ecies/ciphers@0.2.6", "", { "peerDependencies": { "@noble/ciphers": "^1.0.0" } }, "sha512-patgsRPKGkhhoBjETV4XxD0En4ui5fbX0hzayqI3M8tvNMGUoUvmyYAIWwlxBc1KX5cturfqByYdj5bYGRpN9g=="],
@@ -872,6 +879,8 @@
 
     "forwarded": ["forwarded@0.2.0", "", {}, "sha512-buRG0fpBtRHSTCOASe6hD258tEubFoRLb4ZNA6NxMVHNw2gOcwHo9wyablzMzOA5z9xA9L1KNjk/Nt6MT9aYow=="],
 
+    "framer-motion": ["framer-motion@11.18.2", "", { "dependencies": { "motion-dom": "^11.18.1", "motion-utils": "^11.18.1", "tslib": "^2.4.0" }, "peerDependencies": { "@emotion/is-prop-valid": "*", "react": "^18.0.0 || ^19.0.0", "react-dom": "^18.0.0 || ^19.0.0" }, "optionalPeers": ["@emotion/is-prop-valid", "react", "react-dom"] }, "sha512-5F5Och7wrvtLVElIpclDT0CBzMVg3dL22B64aZwHtsIY8RB4mXICLrkajK4G9R+ieSAGcgrLeae2SeUTg2pr6w=="],
+
     "fresh": ["fresh@2.0.0", "", {}, "sha512-Rx/WycZ60HOaqLKAi6cHRKKI7zxWbJ31MhntmtwMoaTeF7XFH9hhBp8vITaMidfljRQ6eYWCKkaTK+ykVJHP2A=="],
 
     "fs-extra": ["fs-extra@11.3.5", "", { "dependencies": { "graceful-fs": "^4.2.0", "jsonfile": "^6.0.1", "universalify": "^2.0.0" } }, "sha512-eKpRKAovdpZtR1WopLHxlBWvAgPny3c4gX1G5Jhwmmw4XJj0ifSD5qB5TOo8hmA0wlRKDAOAhEE1yVPgs6Fgcg=="],
@@ -1076,6 +1085,10 @@
 
     "mitt": ["mitt@3.0.1", "", {}, "sha512-vKivATfr97l2/QBCYAkXYDbrIWPM2IIKEl7YPhjCvKlG3kE2gm+uBo6nEXK3M5/Ffh/FLpKExzOQ3JJoJGFKBw=="],
 
+    "motion-dom": ["motion-dom@11.18.1", "", { "dependencies": { "motion-utils": "^11.18.1" } }, "sha512-g76KvA001z+atjfxczdRtw/RXOM3OMSdd1f4DL77qCTF/+avrRJiawSG4yDibEQ215sr9kpinSlX2pCTJ9zbhw=="],
+
+    "motion-utils": ["motion-utils@11.18.1", "", {}, "sha512-49Kt+HKjtbJKLtgO/LKj9Ld+6vw9BjH5d9sc40R/kVyH8GLAXgT42M2NnuPcJNuA3s9ZfZBUcwIgpmZWGEE+hA=="],
+
     "ms": ["ms@2.1.3", "", {}, "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="],
 
     "msw": ["msw@2.14.6", "", { "dependencies": { "@inquirer/confirm": "^6.0.11", "@mswjs/interceptors": "^0.41.3", "@open-draft/deferred-promise": "^3.0.0", "@types/statuses": "^2.0.6", "cookie": "^1.1.1", "graphql": "^16.13.2", "headers-polyfill": "^5.0.1", "is-node-process": "^1.2.0", "outvariant": "^1.4.3", "path-to-regexp": "^6.3.0", "picocolors": "^1.1.1", "rettime": "^0.11.11", "statuses": "^2.0.2", "strict-event-emitter": "^0.5.1", "tough-cookie": "^6.0.1", "type-fest": "^5.5.0", "until-async": "^3.0.2", "yargs": "^17.7.2" }, "peerDependencies": { "typescript": ">= 4.8.x" }, "optionalPeers": ["typescript"], "bin": { "msw": "cli/index.js" } }, "sha512-ALe+N10S72cyx94cMcy3Zs4HhXCj35sgeAL4c+WTvKi0zWnbd8/h0lcFqv0mb2P+aSgAdD7p9HzvA0DiUPxsyg=="],
diff --git a/packages/shared/src/events.ts b/packages/shared/src/events.ts
index cc3a8b6..d18b5b2 100644
--- a/packages/shared/src/events.ts
+++ b/packages/shared/src/events.ts
@@ -48,7 +48,9 @@ export interface SubmitOkPayload {
 export interface RoundStartPayload {
   type: RoundType
   djId?: string
-  /** Timestamp serveur de fin de manche (startedAt + roundDuration). */
+  /** Timestamp serveur de début des réponses (après le délai de préparation / transition). */
+  startsAt: number
+  /** Timestamp serveur de fin de manche (startsAt + roundDuration). */
   endsAt: number
   /** Payload spécifique au type d'épreuve, SANS la réponse. */
   payload: unknown
@@ -73,10 +75,11 @@ export interface VotePayload {
   answer: Answer
 }
 
-/** Progression anonyme des votes. */
+/** Progression des votes. `voted` = playerIds ayant validé (jamais leur réponse). */
 export interface VoteAckPayload {
   count: number
   total: number
+  voted: string[]
 }
 
 export interface RevealPayload {
diff --git a/packages/shared/src/index.ts b/packages/shared/src/index.ts
index 313fded..dece734 100644
--- a/packages/shared/src/index.ts
+++ b/packages/shared/src/index.ts
@@ -1,2 +1,3 @@
 export * from "./domain"
 export * from "./events"
+export * from "./quiz"
diff --git a/packages/shared/src/quiz.ts b/packages/shared/src/quiz.ts
new file mode 100644
index 0000000..a2156a6
--- /dev/null
+++ b/packages/shared/src/quiz.ts
@@ -0,0 +1,30 @@
+// Types concrets de l'épreuve Quiz, partagés client/serveur.
+// Le payload générique du moteur est `unknown` ; le client le narrow via type === "quiz".
+// V1 : formats mcq + truefalse (free / image_reveal arrivent avec la DB).
+
+import type { QuizFormat } from "./domain"
+
+/** Payload diffusé au lancement d'une manche quiz (round:start), SANS la réponse. */
+export interface QuizQuestionPayload {
+  format: QuizFormat
+  prompt: string
+  /** Choix proposés (truefalse = ["Vrai", "Faux"]). */
+  choices: string[]
+  category?: string
+  /** 1 (facile) .. 3 (difficile). */
+  difficulty?: number
+}
+
+/** Vérité révélée à tous (round:reveal → truth). */
+export interface QuizRevealTruth {
+  correctIndex: number
+}
+
+/** Résultat d'un joueur sur la manche. */
+export interface QuizPlayerResult {
+  choiceIndex: number | null
+  correct: boolean
+}
+
+/** round:reveal → perPlayerResult : playerId → résultat. */
+export type QuizPerPlayerResult = Record<string, QuizPlayerResult>