===================================================================
--- original.js
+++ change.js
@@ -1,7 +1,14 @@
 /**** 
 * Classes
 ****/ 
+// Bomb class
+var Bomb = Container.expand(function () {
+	var self = Container.call(this);
+	self.update = function () {
+		// Bomb update logic
+	};
+});
 // Bullet class
 var Bullet = Container.expand(function () {
 	var self = Container.call(this);
 	var bulletGraphics = self.attachAsset('bullet', {
@@ -73,8 +80,11 @@
 // Initialize arrays for bullets and enemies
 var bullets = [];
 var enemies = [];
 var robotDogs = [];
+// Initialize bomb and hit streak counter
+var bomb = null;
+var hitStreak = 0;
 // Score display
 var scoreTxt = new Text2('0', {
 	size: 150,
 	fill: "#ffffff"
@@ -137,8 +147,13 @@
 				bullets.splice(k, 1);
 				enemies.splice(l, 1);
 				LK.setScore(LK.getScore() + 1);
 				scoreTxt.setText(LK.getScore());
+				hitStreak++;
+				if (hitStreak == 5) {
+					bomb = new Bomb();
+					game.addChild(bomb);
+				}
 				break;
 			}
 		}
 		for (var n = robotDogs.length - 1; n >= 0; n--) {
@@ -152,8 +167,22 @@
 				break;
 			}
 		}
 	}
+	// Clear the board when bomb is triggered
+	if (bomb) {
+		for (var i = enemies.length - 1; i >= 0; i--) {
+			enemies[i].destroy();
+			enemies.splice(i, 1);
+		}
+		for (var i = robotDogs.length - 1; i >= 0; i--) {
+			robotDogs[i].destroy();
+			robotDogs.splice(i, 1);
+		}
+		bomb.destroy();
+		bomb = null;
+		hitStreak = 0;
+	}
 	// Spawn enemies
 	if (LK.ticks % 60 == 0) {
 		var newEnemy = new Enemy();
 		newEnemy.x = Math.random() * 2048;