===================================================================
--- original.js
+++ change.js
@@ -139,9 +139,9 @@
 		scoreTxt.setText(score);
 	}
 	// Check for self-collision
 	if (snake.checkSelfCollision()) {
-		LK.effects.flashScreen(0xff0000, 1000);
+		// Removed red screen flash effect on self-collision
 		// Removed game over when snake collides with itself
 	}
 	// Check for collision with walls
 	var head = snake.body[0];