diff --git a/lib/gameLogic.ts b/lib/gameLogic.ts
index b8dffc5..1ffad2c 100644
--- a/lib/gameLogic.ts
+++ b/lib/gameLogic.ts
@@ -224,10 +224,36 @@ export function executeMove(
   if (!player) return gameState;
 
   if (move.pass) {
+    const newTurnsPassed = gameState.turnsPassed + 1;
+    
+    // Check if game is blocked (all players have passed consecutively)
+    if (newTurnsPassed >= gameState.players.length) {
+      // Game is blocked - determine winner by lowest score
+      let lowestScore = Infinity;
+      let winnerId = '';
+      
+      gameState.players.forEach(p => {
+        const score = calculateScore(p.tiles);
+        if (score < lowestScore) {
+          lowestScore = score;
+          winnerId = p.id;
+        }
+      });
+      
+      return {
+        ...gameState,
+        currentPlayerIndex: (gameState.currentPlayerIndex + 1) % gameState.players.length,
+        turnsPassed: newTurnsPassed,
+        isGameOver: true,
+        winner: winnerId,
+        gameMode: 'finished',
+      };
+    }
+    
     return {
       ...gameState,
       currentPlayerIndex: (gameState.currentPlayerIndex + 1) % gameState.players.length,
-      turnsPassed: gameState.turnsPassed + 1,
+      turnsPassed: newTurnsPassed,
     };
   }
 
diff --git a/server.mjs b/server.mjs
index 2716668..7b244d4 100644
--- a/server.mjs
+++ b/server.mjs
@@ -228,6 +228,25 @@ app.prepare().then(() => {
       if (move.pass) {
         gameState.currentPlayerIndex = (gameState.currentPlayerIndex + 1) % gameState.players.length;
         gameState.turnsPassed++;
+        
+        // Check if game is blocked (all players have passed consecutively)
+        if (gameState.turnsPassed >= gameState.players.length) {
+          // Game is blocked - determine winner by lowest score
+          let lowestScore = Infinity;
+          let winnerId = '';
+          
+          gameState.players.forEach(p => {
+            const score = p.tiles.reduce((sum, tile) => sum + tile.left + tile.right, 0);
+            if (score < lowestScore) {
+              lowestScore = score;
+              winnerId = p.id;
+            }
+          });
+          
+          gameState.isGameOver = true;
+          gameState.winner = winnerId;
+          gameState.gameMode = 'finished';
+        }
       } else {
         const tileIndex = player.tiles.findIndex(t => t.id === move.tile.id);
         if (tileIndex === -1) {