diff --git a/packages/shared/src/game-types.ts b/packages/shared/src/game-types.ts
index 0474264..6de2ddd 100644
--- a/packages/shared/src/game-types.ts
+++ b/packages/shared/src/game-types.ts
@@ -87,6 +87,22 @@ export const bingoCardSchema = z.object({
 
 export type BingoCard = z.infer<typeof bingoCardSchema>
 
+// ─── Quiz ────────────────────────────────────────────────────────
+
+export const quizQuestionSchema = z.object({
+	index: z.number(),
+	total: z.number(),
+	difficulty: z.enum(["easy", "medium", "hard"]),
+	text: z.string(),
+	answer: z.string(),
+	status: z.enum(["buzzing", "judging", "resolved"]),
+	buzzerPlayerId: z.string().nullable(),
+	buzzerName: z.string().nullable(),
+	wasCorrect: z.boolean().nullable(),
+})
+
+export type QuizQuestion = z.infer<typeof quizQuestionSchema>
+
 // ─── Scoring ────────────────────────────────────────────────────────
 
 export const leaderboardEntrySchema = z.object({
@@ -95,6 +111,7 @@ export const leaderboardEntrySchema = z.object({
 	juryPoints: z.number(),
 	bingoPoints: z.number(),
 	predictionPoints: z.number(),
+	quizPoints: z.number(),
 	totalPoints: z.number(),
 })
 
@@ -117,6 +134,9 @@ export const gameStateSchema = z.object({
 		playerId: z.string(),
 		displayName: z.string(),
 	})),
+	// Quiz
+	currentQuizQuestion: quizQuestionSchema.nullable(),
+	myQuizBuzzStatus: z.enum(["can_buzz", "already_buzzed", "excluded", "waiting"]).nullable(),
 	actualResults: actualResultsSchema.nullable(),
 	// Leaderboard
 	leaderboard: z.array(leaderboardEntrySchema),
diff --git a/packages/shared/src/ws-messages.ts b/packages/shared/src/ws-messages.ts
index eea49e8..3f3497f 100644
--- a/packages/shared/src/ws-messages.ts
+++ b/packages/shared/src/ws-messages.ts
@@ -62,6 +62,23 @@ export const submitActualResultsMessage = z.object({
 	last: z.string(),
 })
 
+export const startQuizQuestionMessage = z.object({
+	type: z.literal("start_quiz_question"),
+})
+
+export const buzzMessage = z.object({
+	type: z.literal("buzz"),
+})
+
+export const judgeQuizAnswerMessage = z.object({
+	type: z.literal("judge_quiz_answer"),
+	correct: z.boolean(),
+})
+
+export const skipQuizQuestionMessage = z.object({
+	type: z.literal("skip_quiz_question"),
+})
+
 export const clientMessage = z.discriminatedUnion("type", [
 	joinRoomMessage,
 	reconnectMessage,
@@ -74,6 +91,10 @@ export const clientMessage = z.discriminatedUnion("type", [
 	submitJuryVoteMessage,
 	tapBingoSquareMessage,
 	submitActualResultsMessage,
+	startQuizQuestionMessage,
+	buzzMessage,
+	judgeQuizAnswerMessage,
+	skipQuizQuestionMessage,
 ])
 
 export type ClientMessage = z.infer<typeof clientMessage>