===================================================================
--- original.js
+++ change.js
@@ -39,8 +39,16 @@
 
 /**** 
 * Game Code
 ****/ 
+// Add a background image
+// Initialize background
+var background = game.addChild(LK.getAsset('background', {
+	anchorX: 0.0,
+	anchorY: 0.0,
+	x: 0,
+	y: 0
+}));
 // Initialize player
 var player = game.addChild(new Player());
 player.x = 2048 / 2;
 player.y = 2732 - 200;
@@ -64,9 +72,8 @@
 	// Update missiles
 	for (var i = missiles.length - 1; i >= 0; i--) {
 		if (missiles[i].intersects(player)) {
 			LK.effects.flashScreen(0xff0000, 1000);
-			LK.getSound('bgm').play();
 			LK.showGameOver();
 		}
 		if (missiles[i].y > 2732) {
 			missiles[i].destroy();