diff --git a/frontend/public/games/Flappy Block/script.js b/frontend/public/games/Flappy Block/script.js
index af98699f..ff18492c 100644
--- a/frontend/public/games/Flappy Block/script.js	
+++ b/frontend/public/games/Flappy Block/script.js	
@@ -54,7 +54,7 @@ function update() {
       pipes.splice(i, 1);
       createPipe();
       score++;
-      document.getElementById("score").innerText = `Score: ${score}`;
+      document.getElementById("score").textContent = `Score: ${score}`;
     }
 
     if (block.x < pipe.x + pipe.width &&
diff --git a/frontend/public/games/Sliding Puzzle/script.js b/frontend/public/games/Sliding Puzzle/script.js
index 26baff6c..f7450b7a 100644
--- a/frontend/public/games/Sliding Puzzle/script.js	
+++ b/frontend/public/games/Sliding Puzzle/script.js	
@@ -12,7 +12,7 @@ function createPuzzle() {
 }
 
 function render() {
-    puzzle.innerHTML = "";
+    puzzle.textContent = "";
     tiles.forEach((num, i) => {
         let tile = document.createElement("div");
         tile.classList.add("tile");
diff --git a/frontend/public/games/flappyBird/flappy.js b/frontend/public/games/flappyBird/flappy.js
index e6dbae00..689b263f 100644
--- a/frontend/public/games/flappyBird/flappy.js
+++ b/frontend/public/games/flappyBird/flappy.js
@@ -52,7 +52,7 @@ bottomPipeImg= new Image();
 bottomPipeImg.src="bottompipe.png";
 
 requestAnimationFrame(update);
-setInterval(placePipes, 1500); //1.5 sec
+clearInterval(window.__interval); window.__interval = setInterval(placePipes, 1500); //1.5 sec
 document.addEventListener("keydown",moveBird);
 };
 context.drawImage(birdImg, bird.x, bird.y, bird.width, bird.height);