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);
diff --git a/frontend/public/games/jump-tag/script.js b/frontend/public/games/jump-tag/script.js
index c2d520ba..91d8e99f 100644
--- a/frontend/public/games/jump-tag/script.js
+++ b/frontend/public/games/jump-tag/script.js
@@ -106,7 +106,7 @@
     if (player.onGround && player.state === 'alive') {
       player.vy = -720;
       player.onGround = false;
-      if (!muted) audioJump.currentTime = 0, audioJump.play().catch(()=>{});
+      if (!muted) audioJump.currentTime = 0, audioJump.play().catch( => console.error());
     }
   }
 
diff --git a/frontend/public/scripts/tic-tac-toe.js b/frontend/public/scripts/tic-tac-toe.js
index be2c8d51..c17e0570 100644
--- a/frontend/public/scripts/tic-tac-toe.js
+++ b/frontend/public/scripts/tic-tac-toe.js
@@ -17,7 +17,7 @@ function saveScore(score) {
 let board = ['', '', '', '', '', '', '', '', ''];
 let currentPlayer = 'X';
 let gameActive = true;
-let scores = JSON.parse(localStorage.getItem('ticTacToeScores')) || { x: 0, o: 0, draws: 0 };
+let scores = (JSON.parse(localStorage.getItem('ticTacToeScores') ?? "null") ?? null) || { x: 0, o: 0, draws: 0 };
 
 // Winning combinations
 const winningConditions = [
diff --git a/frontend/public/scripts/whack-a-mole.js b/frontend/public/scripts/whack-a-mole.js
index e897de2c..386a81de 100644
--- a/frontend/public/scripts/whack-a-mole.js
+++ b/frontend/public/scripts/whack-a-mole.js
@@ -47,7 +47,7 @@ function trackVisit() {
     },
     credentials: "include",
     body: JSON.stringify({ game: "whack-a-mole" })
-  }).catch(() => { });
+  }).catch( => console.error());
 }
 
 function trackPlay() {