===================================================================
--- original.js
+++ change.js
@@ -65,27 +65,51 @@
 	self.move = function () {
 		self.y += self.speed;
 	};
 });
-// Define the Block class
-var Block = Container.expand(function () {
+// Define the BossEnemy class
+var BossEnemy = Container.expand(function () {
 	var self = Container.call(this);
-	var blockGraphics = self.attachAsset('block', {
+	var bossGraphics = self.attachAsset('enemy', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
+	// Initialize boss-specific properties
+	self.health = 10; // Boss has more health
+	self.speed = 3; // Boss moves slower
+	self.update = function () {
+		// Boss update logic
+	};
+	self.shoot = function () {
+		// Boss shooting logic
+	};
 });
 var WaveManager = Container.expand(function () {
 	var self = Container.call(this);
 	self.waveCount = 0;
 	self.enemiesPerWave = self.waveCount === 2 ? 6 : 5;
 	self.enemies = [];
 	self.createWave = function () {
-		for (var i = 0; i < self.enemiesPerWave; i++) {
-			var enemy = game.addChild(new Enemy());
-			enemy.x = Math.random() * (2048 - 100) + 50;
-			enemy.y = Math.random() * (2732 / 2 - 200) + 100; // Start on-screen within the upper half
-			self.enemies.push(enemy);
+		if (self.waveCount === 4) {
+			// Wave 5: Spawn one boss enemy and two regular enemies
+			var bossEnemy = game.addChild(new BossEnemy());
+			bossEnemy.x = 2048 / 2;
+			bossEnemy.y = 100;
+			self.enemies.push(bossEnemy);
+			for (var i = 0; i < 2; i++) {
+				var enemy = game.addChild(new Enemy());
+				enemy.x = Math.random() * (2048 - 100) + 50;
+				enemy.y = Math.random() * (2732 / 2 - 200) + 100;
+				self.enemies.push(enemy);
+			}
+		} else {
+			// Other waves: Spawn regular enemies
+			for (var i = 0; i < self.enemiesPerWave; i++) {
+				var enemy = game.addChild(new Enemy());
+				enemy.x = Math.random() * (2048 - 100) + 50;
+				enemy.y = Math.random() * (2732 / 2 - 200) + 100;
+				self.enemies.push(enemy);
+			}
 		}
 		self.waveCount++;
 	};
 });