===================================================================
--- original.js
+++ change.js
@@ -97,8 +97,18 @@
 			// Handle player and enemy collision
 			LK.effects.flashScreen(0xff0000, 1000);
 			LK.showGameOver();
 		}
+		for (var l = bullets.length - 1; l >= 0; l--) {
+			if (bullets[l].intersects(enemies[k])) {
+				// Handle bullet and enemy collision
+				enemies[k].destroy();
+				enemies.splice(k, 1);
+				bullets[l].destroy();
+				bullets.splice(l, 1);
+				break;
+			}
+		}
 	}
 };
 // Handle player shooting
 game.down = function (x, y, obj) {