===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,307 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Character = Container.expand(function () {
+	var self = Container.call(this);
+	var characterGraphics = self.attachAsset('character', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.name = '';
+	self.isSelected = false;
+	self.select = function () {
+		self.isSelected = true;
+		tween(characterGraphics, {
+			scaleX: 1.3,
+			scaleY: 1.3
+		}, {
+			duration: 300,
+			easing: tween.easeOut
+		});
+	};
+	self.deselect = function () {
+		self.isSelected = false;
+		tween(characterGraphics, {
+			scaleX: 1.0,
+			scaleY: 1.0
+		}, {
+			duration: 300,
+			easing: tween.easeOut
+		});
+	};
+	self.down = function (x, y, obj) {
+		if (gameState === 'characterSelect') {
+			if (selectedCharacter && selectedCharacter !== self) {
+				selectedCharacter.deselect();
+			}
+			selectedCharacter = self;
+			self.select();
+			// Start game after character selection
+			LK.setTimeout(function () {
+				startGame();
+			}, 500);
+		}
+	};
+	return self;
+});
+var Sled = Container.expand(function () {
+	var self = Container.call(this);
+	var sledGraphics = self.attachAsset('sled', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.velocityX = 0;
+	self.velocityY = 0;
+	self.isMoving = false;
+	self.onHill = true;
+	self.update = function () {
+		if (self.isMoving && !self.onHill) {
+			// Apply gravity
+			self.velocityY += 0.3;
+			// Update position
+			self.x += self.velocityX;
+			self.y += self.velocityY;
+			// Check for landing in snow pile
+			if (self.intersects(snowPile)) {
+				self.land();
+			}
+			// Check if sled went off screen
+			if (self.y > 2732 + 100) {
+				self.miss();
+			}
+		}
+	};
+	self.launch = function (power) {
+		self.isMoving = true;
+		self.onHill = false;
+		self.velocityX = power * 0.15;
+		self.velocityY = -power * 0.1;
+		LK.getSound('whoosh').play();
+	};
+	self.land = function () {
+		if (self.isMoving) {
+			self.isMoving = false;
+			LK.getSound('landing').play();
+			LK.setScore(LK.getScore() + 100);
+			scoreTxt.setText(LK.getScore());
+			// Flash success
+			LK.effects.flashObject(snowPile, 0x00FF00, 1000);
+			// Reset after delay
+			LK.setTimeout(function () {
+				resetGame();
+			}, 2000);
+		}
+	};
+	self.miss = function () {
+		self.isMoving = false;
+		// Flash failure
+		LK.effects.flashScreen(0xFF0000, 500);
+		// Reset after delay
+		LK.setTimeout(function () {
+			resetGame();
+		}, 1500);
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x87CEEB
+});
+
+/**** 
+* Game Code
+****/ 
+var gameState = 'characterSelect'; // 'characterSelect', 'pullUp', 'sliding'
+var selectedCharacter = null;
+var currentCharacter = null;
+var sled = null;
+var pullPower = 0;
+var isPulling = false;
+var hill = null;
+var snowPile = null;
+var trees = [];
+// Create score display
+var scoreTxt = new Text2('Score: 0', {
+	size: 80,
+	fill: 0x000000
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+// Create instruction text
+var instructionTxt = new Text2('Choose your character!', {
+	size: 60,
+	fill: 0x000000
+});
+instructionTxt.anchor.set(0.5, 0.5);
+instructionTxt.x = 2048 / 2;
+instructionTxt.y = 300;
+game.addChild(instructionTxt);
+// Create power meter background
+var powerMeterBg = LK.getAsset('hill', {
+	width: 300,
+	height: 30,
+	color: 0x666666,
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: 2048 / 2,
+	y: 2500
+});
+// Create power meter fill
+var powerMeterFill = LK.getAsset('hill', {
+	width: 0,
+	height: 26,
+	color: 0xFF0000,
+	anchorX: 0,
+	anchorY: 0.5,
+	x: 2048 / 2 - 150,
+	y: 2500
+});
+// Create hill
+hill = game.addChild(LK.getAsset('hill', {
+	anchorX: 0,
+	anchorY: 1,
+	x: 0,
+	y: 2732
+}));
+// Create snow pile at bottom
+snowPile = game.addChild(new Container());
+var snowPileGraphics = snowPile.attachAsset('snowPile', {
+	anchorX: 0.5,
+	anchorY: 0.5
+});
+snowPile.x = 1700;
+snowPile.y = 2600;
+// Create decorative trees
+for (var i = 0; i < 5; i++) {
+	var tree = game.addChild(LK.getAsset('tree', {
+		anchorX: 0.5,
+		anchorY: 1
+	}));
+	tree.x = Math.random() * 1800 + 100;
+	tree.y = 2732 - Math.random() * 300;
+	trees.push(tree);
+}
+// Create character selection
+var blossomBubbles = game.addChild(new Character());
+blossomBubbles.name = 'Blossom Bubbles';
+blossomBubbles.x = 2048 / 2 - 200;
+blossomBubbles.y = 2732 / 2;
+var buttercup = game.addChild(new Character());
+buttercup.name = 'Buttercup';
+buttercup.x = 2048 / 2 + 200;
+buttercup.y = 2732 / 2;
+// Change buttercup color
+var buttercupGraphics = buttercup.children[0];
+buttercupGraphics.tint = 0xFFFF00;
+function startGame() {
+	gameState = 'pullUp';
+	// Hide character selection
+	blossomBubbles.visible = false;
+	buttercup.visible = false;
+	// Create current character on hill
+	currentCharacter = game.addChild(new Container());
+	var characterGraphics = currentCharacter.attachAsset('character', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	if (selectedCharacter === buttercup) {
+		characterGraphics.tint = 0xFFFF00;
+	}
+	// Create sled
+	sled = game.addChild(new Sled());
+	// Position character and sled at bottom of hill
+	currentCharacter.x = 200;
+	currentCharacter.y = 2500;
+	sled.x = 230;
+	sled.y = 2510;
+	// Show power meter
+	game.addChild(powerMeterBg);
+	game.addChild(powerMeterFill);
+	// Update instructions
+	instructionTxt.setText('Hold to pull sled up the hill!');
+}
+function resetGame() {
+	gameState = 'characterSelect';
+	// Clean up game objects
+	if (currentCharacter) {
+		currentCharacter.destroy();
+		currentCharacter = null;
+	}
+	if (sled) {
+		sled.destroy();
+		sled = null;
+	}
+	// Hide power meter
+	powerMeterBg.visible = false;
+	powerMeterFill.visible = false;
+	// Reset power
+	pullPower = 0;
+	isPulling = false;
+	// Show character selection again
+	blossomBubbles.visible = true;
+	buttercup.visible = true;
+	if (selectedCharacter) {
+		selectedCharacter.deselect();
+	}
+	selectedCharacter = null;
+	// Update instructions
+	instructionTxt.setText('Choose your character!');
+}
+// Game input handling
+game.down = function (x, y, obj) {
+	if (gameState === 'pullUp' && !isPulling) {
+		isPulling = true;
+		pullPower = 0;
+	}
+};
+game.up = function (x, y, obj) {
+	if (gameState === 'pullUp' && isPulling) {
+		isPulling = false;
+		if (pullPower > 10) {
+			// Launch the sled
+			gameState = 'sliding';
+			sled.launch(pullPower);
+			instructionTxt.setText('Watch the landing!');
+			// Hide power meter
+			powerMeterBg.visible = false;
+			powerMeterFill.visible = false;
+		} else {
+			// Not enough power, reset
+			pullPower = 0;
+			powerMeterFill.width = 0;
+		}
+	}
+};
+game.update = function () {
+	if (gameState === 'pullUp' && isPulling) {
+		// Build up power
+		pullPower += 1;
+		if (pullPower > 100) pullPower = 100;
+		// Update power meter
+		powerMeterFill.width = pullPower / 100 * 296;
+		// Update power meter color
+		if (pullPower < 30) {
+			powerMeterFill.tint = 0xFF0000; // Red
+		} else if (pullPower < 70) {
+			powerMeterFill.tint = 0xFFFF00; // Yellow
+		} else {
+			powerMeterFill.tint = 0x00FF00; // Green
+		}
+		// Move character and sled up hill based on power
+		if (currentCharacter && sled) {
+			var hillProgress = pullPower / 100;
+			currentCharacter.x = 200 + hillProgress * 1400;
+			currentCharacter.y = 2500 - hillProgress * 1200;
+			sled.x = currentCharacter.x + 30;
+			sled.y = currentCharacter.y + 10;
+		}
+	}
+};
\ No newline at end of file