===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,380 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+var storage = LK.import("@upit/storage.v1");
+
+/**** 
+* Classes
+****/ 
+var GiftBox = Container.expand(function (type) {
+	var self = Container.call(this);
+	var boxType = type || 'giftBox1';
+	var boxGraphics = self.attachAsset(boxType, {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.isOpened = false;
+	self.boxType = boxType;
+	self.down = function (x, y, obj) {
+		if (!self.isOpened) {
+			self.isOpened = true;
+			tween(boxGraphics, {
+				scaleX: 1.2,
+				scaleY: 1.2,
+				tint: 0xFFFFFF
+			}, {
+				duration: 300
+			});
+			LK.getSound('success').play();
+			// Check if all boxes are opened
+			var allOpened = true;
+			for (var i = 0; i < giftBoxes.length; i++) {
+				if (!giftBoxes[i].isOpened) {
+					allOpened = false;
+					break;
+				}
+			}
+			if (allOpened) {
+				LK.setTimeout(function () {
+					nextLevel();
+				}, 1000);
+			}
+		}
+	};
+	return self;
+});
+var LevelButton = Container.expand(function (levelNum) {
+	var self = Container.call(this);
+	var buttonGraphics = self.attachAsset('levelButton', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.levelNum = levelNum;
+	// Add level text
+	var levelText = new Text2('Level ' + levelNum, {
+		size: 40,
+		fill: 0xFFFFFF
+	});
+	levelText.anchor.set(0.5, 0.5);
+	self.addChild(levelText);
+	self.down = function (x, y, obj) {
+		startLevel(levelNum);
+	};
+	return self;
+});
+var OceanWave = Container.expand(function () {
+	var self = Container.call(this);
+	var waveGraphics = self.attachAsset('oceanWave', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.baseY = 0;
+	self.amplitude = 50;
+	self.frequency = 0.05;
+	self.phase = 0;
+	self.update = function () {
+		self.phase += 0.1;
+		self.y = self.baseY + Math.sin(self.phase) * self.amplitude;
+	};
+	return self;
+});
+var SummerItem = Container.expand(function (itemType) {
+	var self = Container.call(this);
+	var itemGraphics = self.attachAsset(itemType, {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.itemType = itemType;
+	self.isDragging = false;
+	self.isPacked = false;
+	self.originalX = 0;
+	self.originalY = 0;
+	self.down = function (x, y, obj) {
+		if (!self.isPacked) {
+			self.isDragging = true;
+			draggedItem = self;
+		}
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x87CEEB
+});
+
+/**** 
+* Game Code
+****/ 
+var currentLevel = storage.currentLevel || 1;
+var gameState = 'menu'; // 'menu', 'level1', 'level2', 'level3', 'level4'
+var levelButtons = [];
+var oceanWaves = [];
+var giftBoxes = [];
+var summerItems = [];
+var adventureBag = null;
+var draggedItem = null;
+var whiteOverlay = null;
+var cinemaScreen = null;
+var erasedPixels = [];
+// Title text
+var titleText = new Text2('Powerpuff Girls\nSummer Holiday Adventure', {
+	size: 80,
+	fill: 0xFF1493
+});
+titleText.anchor.set(0.5, 0.5);
+titleText.x = 1024;
+titleText.y = 400;
+LK.gui.center.addChild(titleText);
+function createMenu() {
+	gameState = 'menu';
+	// Create level buttons
+	for (var i = 1; i <= 4; i++) {
+		var button = new LevelButton(i);
+		button.x = 400 + (i - 1) * 300;
+		button.y = 1000;
+		if (i > currentLevel) {
+			button.alpha = 0.5;
+		}
+		levelButtons.push(button);
+		game.addChild(button);
+	}
+}
+function startLevel(levelNum) {
+	if (levelNum > currentLevel) return;
+	clearGame();
+	gameState = 'level' + levelNum;
+	switch (levelNum) {
+		case 1:
+			initLevel1();
+			break;
+		case 2:
+			initLevel2();
+			break;
+		case 3:
+			initLevel3();
+			break;
+		case 4:
+			initLevel4();
+			break;
+	}
+}
+function initLevel1() {
+	// Ocean waves level
+	for (var i = 0; i < 5; i++) {
+		var wave = new OceanWave();
+		wave.x = 200 + i * 350;
+		wave.y = 1366 + i * 50;
+		wave.baseY = wave.y;
+		wave.phase = i * 0.5;
+		oceanWaves.push(wave);
+		game.addChild(wave);
+	}
+	// Complete level after 5 seconds
+	LK.setTimeout(function () {
+		nextLevel();
+	}, 5000);
+}
+function initLevel2() {
+	// Gift boxes level
+	var boxTypes = ['giftBox1', 'giftBox2', 'giftBox3'];
+	for (var i = 0; i < 3; i++) {
+		var box = new GiftBox(boxTypes[i]);
+		box.x = 400 + i * 400;
+		box.y = 1366;
+		giftBoxes.push(box);
+		game.addChild(box);
+	}
+	// Add instruction text
+	var instructionText = new Text2('Tap the gift boxes!', {
+		size: 60,
+		fill: 0xFFFFFF
+	});
+	instructionText.anchor.set(0.5, 0.5);
+	instructionText.x = 1024;
+	instructionText.y = 800;
+	game.addChild(instructionText);
+}
+function initLevel3() {
+	// Bag packing level
+	adventureBag = game.addChild(LK.getAsset('adventureBag', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	}));
+	adventureBag.x = 1024;
+	adventureBag.y = 2000;
+	// Create summer items
+	var itemTypes = ['sunglasses', 'beachBall', 'sunscreen', 'towel', 'hat'];
+	for (var i = 0; i < 5; i++) {
+		var item = new SummerItem(itemTypes[i]);
+		item.x = 200 + i * 300;
+		item.y = 1000;
+		item.originalX = item.x;
+		item.originalY = item.y;
+		summerItems.push(item);
+		game.addChild(item);
+	}
+	// Add instruction text
+	var instructionText = new Text2('Drag items to the bag!', {
+		size: 60,
+		fill: 0xFFFFFF
+	});
+	instructionText.anchor.set(0.5, 0.5);
+	instructionText.x = 1024;
+	instructionText.y = 600;
+	game.addChild(instructionText);
+}
+function initLevel4() {
+	// Cinema reveal level
+	cinemaScreen = game.addChild(LK.getAsset('cinemaScreen', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	}));
+	cinemaScreen.x = 1024;
+	cinemaScreen.y = 1366;
+	whiteOverlay = game.addChild(LK.getAsset('whiteOverlay', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	}));
+	whiteOverlay.x = 1024;
+	whiteOverlay.y = 1366;
+	// Add instruction text
+	var instructionText = new Text2('Rub to reveal the cinema!', {
+		size: 60,
+		fill: 0x000000
+	});
+	instructionText.anchor.set(0.5, 0.5);
+	instructionText.x = 1024;
+	instructionText.y = 300;
+	game.addChild(instructionText);
+}
+function clearGame() {
+	// Remove all game objects
+	for (var i = 0; i < levelButtons.length; i++) {
+		levelButtons[i].destroy();
+	}
+	levelButtons = [];
+	for (var i = 0; i < oceanWaves.length; i++) {
+		oceanWaves[i].destroy();
+	}
+	oceanWaves = [];
+	for (var i = 0; i < giftBoxes.length; i++) {
+		giftBoxes[i].destroy();
+	}
+	giftBoxes = [];
+	for (var i = 0; i < summerItems.length; i++) {
+		summerItems[i].destroy();
+	}
+	summerItems = [];
+	if (adventureBag) {
+		adventureBag.destroy();
+		adventureBag = null;
+	}
+	if (whiteOverlay) {
+		whiteOverlay.destroy();
+		whiteOverlay = null;
+	}
+	if (cinemaScreen) {
+		cinemaScreen.destroy();
+		cinemaScreen = null;
+	}
+	// Clear any remaining children
+	while (game.children.length > 0) {
+		game.children[0].destroy();
+	}
+	draggedItem = null;
+	erasedPixels = [];
+}
+function nextLevel() {
+	LK.getSound('complete').play();
+	currentLevel++;
+	storage.currentLevel = currentLevel;
+	if (currentLevel > 4) {
+		// Game completed
+		LK.showYouWin();
+	} else {
+		// Return to menu
+		clearGame();
+		createMenu();
+	}
+}
+function handleMove(x, y, obj) {
+	if (gameState === 'level3' && draggedItem) {
+		draggedItem.x = x;
+		draggedItem.y = y;
+	}
+	if (gameState === 'level4' && whiteOverlay) {
+		// Erase white overlay by reducing alpha in touched area
+		var distance = Math.sqrt(Math.pow(x - whiteOverlay.x, 2) + Math.pow(y - whiteOverlay.y, 2));
+		if (distance < 100) {
+			whiteOverlay.alpha -= 0.02;
+			if (whiteOverlay.alpha <= 0) {
+				whiteOverlay.alpha = 0;
+				LK.setTimeout(function () {
+					nextLevel();
+				}, 1000);
+			}
+		}
+	}
+}
+function handleDown(x, y, obj) {
+	// Handle level 3 item selection
+	if (gameState === 'level3') {
+		for (var i = 0; i < summerItems.length; i++) {
+			var item = summerItems[i];
+			if (!item.isPacked && item.intersects({
+				x: x,
+				y: y,
+				width: 1,
+				height: 1
+			})) {
+				draggedItem = item;
+				break;
+			}
+		}
+	}
+}
+function handleUp(x, y, obj) {
+	if (gameState === 'level3' && draggedItem && adventureBag) {
+		// Check if item is dropped on bag
+		if (draggedItem.intersects(adventureBag)) {
+			draggedItem.isPacked = true;
+			draggedItem.x = adventureBag.x;
+			draggedItem.y = adventureBag.y;
+			draggedItem.alpha = 0.5;
+			LK.getSound('success').play();
+			// Check if all items are packed
+			var allPacked = true;
+			for (var i = 0; i < summerItems.length; i++) {
+				if (!summerItems[i].isPacked) {
+					allPacked = false;
+					break;
+				}
+			}
+			if (allPacked) {
+				LK.setTimeout(function () {
+					nextLevel();
+				}, 1000);
+			}
+		} else {
+			// Return to original position
+			draggedItem.x = draggedItem.originalX;
+			draggedItem.y = draggedItem.originalY;
+		}
+	}
+	draggedItem = null;
+}
+game.move = handleMove;
+game.down = handleDown;
+game.up = handleUp;
+game.update = function () {
+	// Update ocean waves
+	for (var i = 0; i < oceanWaves.length; i++) {
+		oceanWaves[i].update();
+	}
+};
+// Initialize the game
+createMenu();
\ No newline at end of file