===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,309 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Bullet = Container.expand(function () {
+	var self = Container.call(this);
+	var bulletGraphics = self.attachAsset('bullet', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = -8;
+	self.damage = 1;
+	self.update = function () {
+		self.y += self.speed;
+		// Remove if off screen
+		if (self.y < -50) {
+			self.destroy();
+			for (var i = bullets.length - 1; i >= 0; i--) {
+				if (bullets[i] === self) {
+					bullets.splice(i, 1);
+					break;
+				}
+			}
+		}
+	};
+	return self;
+});
+var Cube = Container.expand(function () {
+	var self = Container.call(this);
+	var cubeGraphics = self.attachAsset('cube', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.health = 3;
+	self.maxHealth = 3;
+	self.attackCooldown = 0;
+	self.attackRate = 60; // 1 second at 60fps
+	self.cost = 50;
+	self.update = function () {
+		if (self.attackCooldown > 0) {
+			self.attackCooldown--;
+		}
+		// Find nearest triangle to attack
+		var nearestTriangle = null;
+		var nearestDistance = Infinity;
+		for (var i = 0; i < triangles.length; i++) {
+			var triangle = triangles[i];
+			var distance = Math.sqrt(Math.pow(triangle.x - self.x, 2) + Math.pow(triangle.y - self.y, 2));
+			if (distance < nearestDistance && triangle.y > self.y) {
+				nearestDistance = distance;
+				nearestTriangle = triangle;
+			}
+		}
+		// Attack if target in range and cooldown ready
+		if (nearestTriangle && nearestDistance < 200 && self.attackCooldown <= 0) {
+			self.shoot(nearestTriangle);
+			self.attackCooldown = self.attackRate;
+		}
+	};
+	self.shoot = function (target) {
+		var bullet = new Bullet();
+		bullet.x = self.x;
+		bullet.y = self.y - 40;
+		bullet.targetX = target.x;
+		bullet.targetY = target.y;
+		// Calculate direction
+		var dx = target.x - bullet.x;
+		var dy = target.y - bullet.y;
+		var distance = Math.sqrt(dx * dx + dy * dy);
+		bullet.speed = -8;
+		bullets.push(bullet);
+		game.addChild(bullet);
+		LK.getSound('shoot').play();
+	};
+	self.takeDamage = function (damage) {
+		self.health -= damage;
+		LK.effects.flashObject(self, 0xFF0000, 200);
+		if (self.health <= 0) {
+			self.destroy();
+			for (var i = cubes.length - 1; i >= 0; i--) {
+				if (cubes[i] === self) {
+					cubes.splice(i, 1);
+					break;
+				}
+			}
+		}
+	};
+	return self;
+});
+var Triangle = Container.expand(function () {
+	var self = Container.call(this);
+	var triangleGraphics = self.attachAsset('triangle', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	triangleGraphics.rotation = Math.PI; // Point downward
+	self.health = 2;
+	self.maxHealth = 2;
+	self.speed = 1;
+	self.damage = 1;
+	self.coinValue = 25;
+	self.update = function () {
+		self.y += self.speed;
+		// Check collision with cubes
+		for (var i = 0; i < cubes.length; i++) {
+			var cube = cubes[i];
+			if (self.intersects(cube)) {
+				cube.takeDamage(self.damage);
+				self.destroy();
+				for (var j = triangles.length - 1; j >= 0; j--) {
+					if (triangles[j] === self) {
+						triangles.splice(j, 1);
+						break;
+					}
+				}
+				return;
+			}
+		}
+		// Check if reached base
+		if (self.y > 2632) {
+			// Near bottom of screen
+			baseHealth--;
+			baseHealthText.setText('Base Health: ' + baseHealth);
+			if (baseHealth <= 0) {
+				LK.showGameOver();
+			}
+			self.destroy();
+			for (var k = triangles.length - 1; k >= 0; k--) {
+				if (triangles[k] === self) {
+					triangles.splice(k, 1);
+					break;
+				}
+			}
+		}
+	};
+	self.takeDamage = function (damage) {
+		self.health -= damage;
+		LK.effects.flashObject(self, 0xFFFFFF, 100);
+		if (self.health <= 0) {
+			// Drop coin
+			var coin = LK.getAsset('coin', {
+				anchorX: 0.5,
+				anchorY: 0.5,
+				x: self.x,
+				y: self.y
+			});
+			game.addChild(coin);
+			// Animate coin collection
+			tween(coin, {
+				y: coin.y + 100,
+				alpha: 0
+			}, {
+				duration: 800,
+				onFinish: function onFinish() {
+					coin.destroy();
+				}
+			});
+			currency += self.coinValue;
+			currencyText.setText('Coins: ' + currency);
+			LK.getSound('coin').play();
+			self.destroy();
+			for (var i = triangles.length - 1; i >= 0; i--) {
+				if (triangles[i] === self) {
+					triangles.splice(i, 1);
+					break;
+				}
+			}
+		}
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x1A1A2E
+});
+
+/**** 
+* Game Code
+****/ 
+// Game state variables
+var cubes = [];
+var triangles = [];
+var bullets = [];
+var currency = 100;
+var baseHealth = 10;
+var waveNumber = 1;
+var trianglesSpawned = 0;
+var trianglesPerWave = 5;
+var spawnTimer = 0;
+var spawnDelay = 120; // 2 seconds at 60fps
+var cubeDeployDelay = 0;
+// Create base
+var base = game.addChild(LK.getAsset('base', {
+	anchorX: 0.5,
+	anchorY: 1,
+	x: 1024,
+	y: 2732
+}));
+// Create UI
+var currencyText = new Text2('Coins: ' + currency, {
+	size: 60,
+	fill: 0xFFD700
+});
+currencyText.anchor.set(0, 0);
+currencyText.x = 120;
+currencyText.y = 120;
+LK.gui.topLeft.addChild(currencyText);
+var baseHealthText = new Text2('Base Health: ' + baseHealth, {
+	size: 60,
+	fill: 0xFF4444
+});
+baseHealthText.anchor.set(1, 0);
+LK.gui.topRight.addChild(baseHealthText);
+var waveText = new Text2('Wave: ' + waveNumber, {
+	size: 60,
+	fill: 0x4A90E2
+});
+waveText.anchor.set(0.5, 0);
+LK.gui.top.addChild(waveText);
+var instructionText = new Text2('Tap to deploy cube defenders!', {
+	size: 40,
+	fill: 0xFFFFFF
+});
+instructionText.anchor.set(0.5, 1);
+instructionText.y = -50;
+LK.gui.bottom.addChild(instructionText);
+// Game event handlers
+game.down = function (x, y, obj) {
+	// Deploy cube if player has enough currency and no cooldown
+	if (currency >= 50 && cubeDeployDelay <= 0) {
+		var cube = new Cube();
+		cube.x = x;
+		cube.y = Math.max(y, 2400); // Keep cubes in lower part of screen
+		cubes.push(cube);
+		game.addChild(cube);
+		currency -= cube.cost;
+		currencyText.setText('Coins: ' + currency);
+		cubeDeployDelay = 30; // 0.5 second cooldown
+		LK.getSound('deploy').play();
+	}
+};
+// Spawn triangle enemies
+function spawnTriangle() {
+	if (trianglesSpawned < trianglesPerWave) {
+		var triangle = new Triangle();
+		triangle.x = Math.random() * 1800 + 124; // Random X position
+		triangle.y = 100;
+		// Increase difficulty with wave number
+		triangle.health = Math.floor(1 + waveNumber * 0.5);
+		triangle.maxHealth = triangle.health;
+		triangle.speed = 0.5 + waveNumber * 0.2;
+		triangle.coinValue = 20 + waveNumber * 5;
+		triangles.push(triangle);
+		game.addChild(triangle);
+		trianglesSpawned++;
+	}
+}
+// Main game update loop
+game.update = function () {
+	// Update cooldown
+	if (cubeDeployDelay > 0) {
+		cubeDeployDelay--;
+	}
+	// Spawn triangles
+	if (spawnTimer <= 0 && trianglesSpawned < trianglesPerWave) {
+		spawnTriangle();
+		spawnTimer = spawnDelay - waveNumber * 5; // Faster spawning each wave
+		spawnTimer = Math.max(spawnTimer, 30); // Minimum delay
+	} else {
+		spawnTimer--;
+	}
+	// Check for bullet-triangle collisions
+	for (var i = bullets.length - 1; i >= 0; i--) {
+		var bullet = bullets[i];
+		var hitTriangle = false;
+		for (var j = 0; j < triangles.length; j++) {
+			var triangle = triangles[j];
+			if (bullet.intersects(triangle)) {
+				triangle.takeDamage(bullet.damage);
+				LK.getSound('hit').play();
+				bullet.destroy();
+				bullets.splice(i, 1);
+				hitTriangle = true;
+				break;
+			}
+		}
+	}
+	// Check for wave completion
+	if (trianglesSpawned >= trianglesPerWave && triangles.length === 0) {
+		waveNumber++;
+		trianglesSpawned = 0;
+		trianglesPerWave = Math.floor(5 + waveNumber * 1.5);
+		waveText.setText('Wave: ' + waveNumber);
+		// Bonus coins for completing wave
+		currency += 50;
+		currencyText.setText('Coins: ' + currency);
+		// Check for victory condition
+		if (waveNumber > 10) {
+			LK.showYouWin();
+		}
+	}
+};
\ No newline at end of file