===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,428 @@
-/****
+/**** 
+* 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.target = null;
+	self.damage = 1;
+	self.update = function () {
+		if (!self.target || self.target.health <= 0) {
+			return;
+		}
+		var dx = self.target.x - self.x;
+		var dy = self.target.y - self.y;
+		var distance = Math.sqrt(dx * dx + dy * dy);
+		if (distance < 20) {
+			// Hit target
+			if (self.target.takeDamage(self.damage)) {
+				// Enemy died, give reward
+				playerMoney += self.target.reward;
+				updateMoneyDisplay();
+			}
+			return true; // Mark for removal
+		}
+		self.x += dx / distance * self.speed;
+		self.y += dy / distance * self.speed;
+	};
+	return self;
+});
+var Enemy = Container.expand(function () {
+	var self = Container.call(this);
+	var enemyGraphics = self.attachAsset('enemy', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.health = 3;
+	self.maxHealth = 3;
+	self.speed = 2;
+	self.pathIndex = 0;
+	self.reward = 10;
+	self.takeDamage = function (damage) {
+		self.health -= damage;
+		// Flash red when hit
+		tween(enemyGraphics, {
+			tint: 0xFF0000
+		}, {
+			duration: 100,
+			onFinish: function onFinish() {
+				tween(enemyGraphics, {
+					tint: 0xFFFFFF
+				}, {
+					duration: 100
+				});
+			}
+		});
+		LK.getSound('enemyHit').play();
+		return self.health <= 0;
+	};
+	self.update = function () {
+		if (self.pathIndex >= enemyPath.length) return;
+		var targetPoint = enemyPath[self.pathIndex];
+		var dx = targetPoint.x - self.x;
+		var dy = targetPoint.y - self.y;
+		var distance = Math.sqrt(dx * dx + dy * dy);
+		if (distance < 10) {
+			self.pathIndex++;
+			if (self.pathIndex >= enemyPath.length) {
+				// Enemy reached base
+				playerLives--;
+				return;
+			}
+		} else {
+			self.x += dx / distance * self.speed;
+			self.y += dy / distance * self.speed;
+		}
+	};
+	return self;
+});
+var Tower = Container.expand(function () {
+	var self = Container.call(this);
+	var towerGraphics = self.attachAsset('tower', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.range = 200;
+	self.damage = 1;
+	self.fireRate = 60; // ticks between shots
+	self.lastShot = 0;
+	self.cost = 50;
+	self.canShoot = function () {
+		return LK.ticks - self.lastShot >= self.fireRate;
+	};
+	self.findTarget = function () {
+		var closestEnemy = null;
+		var closestDistance = Infinity;
+		for (var i = 0; i < enemies.length; i++) {
+			var enemy = enemies[i];
+			var dx = enemy.x - self.x;
+			var dy = enemy.y - self.y;
+			var distance = Math.sqrt(dx * dx + dy * dy);
+			if (distance <= self.range && distance < closestDistance) {
+				closestDistance = distance;
+				closestEnemy = enemy;
+			}
+		}
+		return closestEnemy;
+	};
+	self.shoot = function (target) {
+		if (!self.canShoot()) return;
+		var bullet = new Bullet();
+		bullet.x = self.x;
+		bullet.y = self.y;
+		bullet.target = target;
+		bullet.damage = self.damage;
+		bullets.push(bullet);
+		game.addChild(bullet);
+		self.lastShot = LK.ticks;
+		LK.getSound('shoot').play();
+	};
+	self.update = function () {
+		var target = self.findTarget();
+		if (target) {
+			self.shoot(target);
+		}
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x2E7D32
+});
+
+/**** 
+* Game Code
+****/ 
+// Game variables
+var playerMoney = 200;
+var playerLives = 10;
+var currentWave = 1;
+var waveInProgress = false;
+var shopOpen = false;
+var placingTower = false;
+var selectedTowerType = null;
+// Game arrays
+var towers = [];
+var enemies = [];
+var bullets = [];
+// Enemy path (simple straight path for now)
+var enemyPath = [{
+	x: 0,
+	y: 400
+}, {
+	x: 500,
+	y: 400
+}, {
+	x: 500,
+	y: 800
+}, {
+	x: 1000,
+	y: 800
+}, {
+	x: 1000,
+	y: 1200
+}, {
+	x: 1500,
+	y: 1200
+}, {
+	x: 1500,
+	y: 1600
+}, {
+	x: 2000,
+	y: 1600
+}];
+// Create base at end of path
+var base = game.addChild(LK.getAsset('base', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: 2000,
+	y: 1600
+}));
+// UI Elements
+var moneyText = new Text2('Money: $' + playerMoney, {
+	size: 60,
+	fill: 0xFFFFFF
+});
+moneyText.anchor.set(0, 0);
+moneyText.x = 120;
+moneyText.y = 50;
+LK.gui.topLeft.addChild(moneyText);
+var livesText = new Text2('Lives: ' + playerLives, {
+	size: 60,
+	fill: 0xFFFFFF
+});
+livesText.anchor.set(0, 0);
+livesText.x = 120;
+livesText.y = 130;
+LK.gui.topLeft.addChild(livesText);
+var waveText = new Text2('Wave: ' + currentWave, {
+	size: 60,
+	fill: 0xFFFFFF
+});
+waveText.anchor.set(1, 0);
+LK.gui.topRight.addChild(waveText);
+// Shop button
+var shopBtn = game.addChild(LK.getAsset('shopButton', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: 200,
+	y: 2500
+}));
+var shopBtnText = new Text2('SHOP', {
+	size: 40,
+	fill: 0xFFFFFF
+});
+shopBtnText.anchor.set(0.5, 0.5);
+shopBtnText.x = shopBtn.x;
+shopBtnText.y = shopBtn.y;
+game.addChild(shopBtnText);
+// Ready button
+var readyBtn = game.addChild(LK.getAsset('readyButton', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: 500,
+	y: 2500
+}));
+var readyBtnText = new Text2('READY', {
+	size: 40,
+	fill: 0xFFFFFF
+});
+readyBtnText.anchor.set(0.5, 0.5);
+readyBtnText.x = readyBtn.x;
+readyBtnText.y = readyBtn.y;
+game.addChild(readyBtnText);
+// Shop panel (initially hidden)
+var shopPanel = game.addChild(LK.getAsset('shopPanel', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: 1024,
+	y: 1366
+}));
+shopPanel.visible = false;
+var shopTitle = new Text2('TOWER SHOP', {
+	size: 50,
+	fill: 0xFFFFFF
+});
+shopTitle.anchor.set(0.5, 0);
+shopTitle.x = shopPanel.x;
+shopTitle.y = shopPanel.y - 450;
+game.addChild(shopTitle);
+// Basic tower button in shop
+var basicTowerBtn = game.addChild(LK.getAsset('towerButton', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: shopPanel.x,
+	y: shopPanel.y - 300
+}));
+basicTowerBtn.visible = false;
+var basicTowerText = new Text2('Basic Tower\n$50', {
+	size: 30,
+	fill: 0xFFFFFF
+});
+basicTowerText.anchor.set(0.5, 0.5);
+basicTowerText.x = basicTowerBtn.x;
+basicTowerText.y = basicTowerBtn.y;
+game.addChild(basicTowerText);
+// Close shop button
+var closeShopBtn = game.addChild(LK.getAsset('towerButton', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: shopPanel.x,
+	y: shopPanel.y + 400,
+	color: 0xFF5722
+}));
+closeShopBtn.visible = false;
+var closeShopText = new Text2('CLOSE', {
+	size: 30,
+	fill: 0xFFFFFF
+});
+closeShopText.anchor.set(0.5, 0.5);
+closeShopText.x = closeShopBtn.x;
+closeShopText.y = closeShopBtn.y;
+game.addChild(closeShopText);
+// Functions
+function updateMoneyDisplay() {
+	moneyText.setText('Money: $' + playerMoney);
+}
+function updateLivesDisplay() {
+	livesText.setText('Lives: ' + playerLives);
+}
+function updateWaveDisplay() {
+	waveText.setText('Wave: ' + currentWave);
+}
+function toggleShop() {
+	shopOpen = !shopOpen;
+	shopPanel.visible = shopOpen;
+	shopTitle.visible = shopOpen;
+	basicTowerBtn.visible = shopOpen;
+	basicTowerText.visible = shopOpen;
+	closeShopBtn.visible = shopOpen;
+	closeShopText.visible = shopOpen;
+}
+function startWave() {
+	if (waveInProgress) return;
+	waveInProgress = true;
+	var enemiesToSpawn = 3 + currentWave;
+	var spawnDelay = 0;
+	for (var i = 0; i < enemiesToSpawn; i++) {
+		LK.setTimeout(function () {
+			var enemy = new Enemy();
+			enemy.x = enemyPath[0].x;
+			enemy.y = enemyPath[0].y;
+			enemy.health += Math.floor(currentWave / 3); // Increase health every 3 waves
+			enemy.maxHealth = enemy.health;
+			enemies.push(enemy);
+			game.addChild(enemy);
+		}, spawnDelay);
+		spawnDelay += 1000; // 1 second between spawns
+	}
+}
+function checkWaveComplete() {
+	if (waveInProgress && enemies.length === 0) {
+		waveInProgress = false;
+		currentWave++;
+		updateWaveDisplay();
+		playerMoney += 50; // Wave completion bonus
+		updateMoneyDisplay();
+	}
+}
+function placeTower(x, y) {
+	if (!placingTower || playerMoney < 50) return false;
+	// Check if position is valid (not too close to path or other towers)
+	for (var i = 0; i < towers.length; i++) {
+		var tower = towers[i];
+		var dx = tower.x - x;
+		var dy = tower.y - y;
+		if (Math.sqrt(dx * dx + dy * dy) < 100) {
+			return false; // Too close to another tower
+		}
+	}
+	var tower = new Tower();
+	tower.x = x;
+	tower.y = y;
+	towers.push(tower);
+	game.addChild(tower);
+	playerMoney -= tower.cost;
+	updateMoneyDisplay();
+	placingTower = false;
+	return true;
+}
+// Event handlers
+shopBtn.down = function (x, y, obj) {
+	toggleShop();
+};
+readyBtn.down = function (x, y, obj) {
+	if (!waveInProgress) {
+		startWave();
+	}
+};
+basicTowerBtn.down = function (x, y, obj) {
+	if (playerMoney >= 50) {
+		placingTower = true;
+		selectedTowerType = 'basic';
+		toggleShop();
+	}
+};
+closeShopBtn.down = function (x, y, obj) {
+	toggleShop();
+};
+game.down = function (x, y, obj) {
+	if (placingTower) {
+		placeTower(x, y);
+	}
+};
+// Main game loop
+game.update = function () {
+	// Update towers
+	for (var i = 0; i < towers.length; i++) {
+		towers[i].update();
+	}
+	// Update enemies
+	for (var i = enemies.length - 1; i >= 0; i--) {
+		var enemy = enemies[i];
+		enemy.update();
+		// Remove dead enemies
+		if (enemy.health <= 0) {
+			enemy.destroy();
+			enemies.splice(i, 1);
+		}
+		// Remove enemies that reached the end
+		else if (enemy.pathIndex >= enemyPath.length) {
+			enemy.destroy();
+			enemies.splice(i, 1);
+		}
+	}
+	// Update bullets
+	for (var i = bullets.length - 1; i >= 0; i--) {
+		var bullet = bullets[i];
+		var shouldRemove = bullet.update();
+		if (shouldRemove || !bullet.target || bullet.target.health <= 0) {
+			bullet.destroy();
+			bullets.splice(i, 1);
+		}
+	}
+	// Check for game over
+	if (playerLives <= 0) {
+		LK.showGameOver();
+	}
+	// Update lives display if changed
+	updateLivesDisplay();
+	// Check if wave is complete
+	checkWaveComplete();
+	// Win condition - survive 10 waves
+	if (currentWave > 10 && !waveInProgress && enemies.length === 0) {
+		LK.showYouWin();
+	}
+};
\ No newline at end of file