===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,317 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var BlackBanana = Container.expand(function () {
+	var self = Container.call(this);
+	var bananaGraphics = self.attachAsset('blackBanana', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.update = function () {
+		// Gentle floating animation
+		bananaGraphics.y = Math.sin(LK.ticks * 0.15) * 3;
+		bananaGraphics.rotation -= 0.015;
+	};
+	return self;
+});
+var GoldenBanana = Container.expand(function () {
+	var self = Container.call(this);
+	var bananaGraphics = self.attachAsset('goldenBanana', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.collected = false;
+	self.update = function () {
+		// Gentle floating animation
+		bananaGraphics.y = Math.sin(LK.ticks * 0.1) * 5;
+		bananaGraphics.rotation += 0.02;
+	};
+	return self;
+});
+var Monkey = Container.expand(function () {
+	var self = Container.call(this);
+	var monkeyGraphics = self.attachAsset('monkey', {
+		anchorX: 0.5,
+		anchorY: 1.0
+	});
+	self.velocityY = 0;
+	self.isOnGround = false;
+	self.jumpPower = -20;
+	self.gravity = 1.2;
+	self.moveSpeed = 8;
+	self.update = function () {
+		// Apply gravity
+		self.velocityY += self.gravity;
+		self.y += self.velocityY;
+		// Ground collision
+		if (self.y >= groundLevel) {
+			self.y = groundLevel;
+			self.velocityY = 0;
+			self.isOnGround = true;
+		}
+		// Platform collision
+		self.isOnGround = false;
+		for (var i = 0; i < platforms.length; i++) {
+			var platform = platforms[i];
+			if (self.intersects(platform) && self.velocityY >= 0 && self.y - 40 < platform.y) {
+				self.y = platform.y;
+				self.velocityY = 0;
+				self.isOnGround = true;
+				break;
+			}
+		}
+		// Keep monkey in bounds
+		if (self.x < 40) self.x = 40;
+		if (self.x > 2008) self.x = 2008;
+	};
+	self.jump = function () {
+		if (self.isOnGround) {
+			self.velocityY = self.jumpPower;
+			self.isOnGround = false;
+			LK.getSound('jump').play();
+		}
+	};
+	return self;
+});
+var Platform = Container.expand(function () {
+	var self = Container.call(this);
+	var platformGraphics = self.attachAsset('platform', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	return self;
+});
+var Tree = Container.expand(function () {
+	var self = Container.call(this);
+	var trunk = self.attachAsset('tree', {
+		anchorX: 0.5,
+		anchorY: 1.0
+	});
+	var leaves = self.attachAsset('leaves', {
+		anchorX: 0.5,
+		anchorY: 1.0,
+		y: -150
+	});
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x87CEEB
+});
+
+/**** 
+* Game Code
+****/ 
+// Game variables
+var monkey;
+var goldenBananas = [];
+var blackBananas = [];
+var platforms = [];
+var trees = [];
+var groundLevel = 2632;
+var leftPressed = false;
+var rightPressed = false;
+// Create ground
+var ground = game.addChild(LK.getAsset('ground', {
+	anchorX: 0.5,
+	anchorY: 1.0,
+	x: 1024,
+	y: 2732
+}));
+// Create monkey
+monkey = game.addChild(new Monkey());
+monkey.x = 200;
+monkey.y = groundLevel;
+// Create platforms
+var platformPositions = [{
+	x: 400,
+	y: 2400
+}, {
+	x: 800,
+	y: 2200
+}, {
+	x: 1200,
+	y: 2000
+}, {
+	x: 1600,
+	y: 2300
+}, {
+	x: 300,
+	y: 1800
+}, {
+	x: 700,
+	y: 1600
+}, {
+	x: 1100,
+	y: 1400
+}, {
+	x: 1500,
+	y: 1700
+}];
+for (var i = 0; i < platformPositions.length; i++) {
+	var platform = game.addChild(new Platform());
+	platform.x = platformPositions[i].x;
+	platform.y = platformPositions[i].y;
+	platforms.push(platform);
+}
+// Create trees for forest atmosphere
+var treePositions = [{
+	x: 100,
+	y: groundLevel
+}, {
+	x: 600,
+	y: groundLevel
+}, {
+	x: 1000,
+	y: groundLevel
+}, {
+	x: 1400,
+	y: groundLevel
+}, {
+	x: 1800,
+	y: groundLevel
+}];
+for (var i = 0; i < treePositions.length; i++) {
+	var tree = game.addChild(new Tree());
+	tree.x = treePositions[i].x;
+	tree.y = treePositions[i].y;
+	trees.push(tree);
+}
+// Create golden bananas
+var goldenBananaPositions = [{
+	x: 400,
+	y: 2350
+}, {
+	x: 800,
+	y: 2150
+}, {
+	x: 1200,
+	y: 1950
+}, {
+	x: 1600,
+	y: 2250
+}, {
+	x: 300,
+	y: 1750
+}, {
+	x: 700,
+	y: 1550
+}, {
+	x: 1100,
+	y: 1350
+}, {
+	x: 1500,
+	y: 1650
+}, {
+	x: 250,
+	y: 2500
+}, {
+	x: 1750,
+	y: 2500
+}];
+for (var i = 0; i < goldenBananaPositions.length; i++) {
+	var goldenBanana = game.addChild(new GoldenBanana());
+	goldenBanana.x = goldenBananaPositions[i].x;
+	goldenBanana.y = goldenBananaPositions[i].y;
+	goldenBananas.push(goldenBanana);
+}
+// Create black bananas
+var blackBananaPositions = [{
+	x: 500,
+	y: 2450
+}, {
+	x: 900,
+	y: 2250
+}, {
+	x: 1300,
+	y: 2050
+}, {
+	x: 400,
+	y: 1850
+}, {
+	x: 800,
+	y: 1650
+}, {
+	x: 1200,
+	y: 1450
+}];
+for (var i = 0; i < blackBananaPositions.length; i++) {
+	var blackBanana = game.addChild(new BlackBanana());
+	blackBanana.x = blackBananaPositions[i].x;
+	blackBanana.y = blackBananaPositions[i].y;
+	blackBananas.push(blackBanana);
+}
+// UI
+var scoreTxt = new Text2('Score: 0', {
+	size: 80,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+// Controls
+game.down = function (x, y, obj) {
+	if (x < 1024) {
+		leftPressed = true;
+	} else {
+		rightPressed = true;
+	}
+	// Jump on any touch
+	monkey.jump();
+};
+game.up = function (x, y, obj) {
+	leftPressed = false;
+	rightPressed = false;
+};
+// Game update loop
+game.update = function () {
+	// Handle movement
+	if (leftPressed) {
+		monkey.x -= monkey.moveSpeed;
+	}
+	if (rightPressed) {
+		monkey.x += monkey.moveSpeed;
+	}
+	// Check golden banana collection
+	for (var i = goldenBananas.length - 1; i >= 0; i--) {
+		var goldenBanana = goldenBananas[i];
+		if (!goldenBanana.collected && monkey.intersects(goldenBanana)) {
+			goldenBanana.collected = true;
+			LK.setScore(LK.getScore() + 10);
+			scoreTxt.setText('Score: ' + LK.getScore());
+			LK.getSound('collect').play();
+			// Animate collection
+			tween(goldenBanana, {
+				scaleX: 0,
+				scaleY: 0,
+				alpha: 0
+			}, {
+				duration: 300,
+				onFinish: function onFinish() {
+					goldenBanana.destroy();
+				}
+			});
+			goldenBananas.splice(i, 1);
+		}
+	}
+	// Check black banana collision
+	for (var i = 0; i < blackBananas.length; i++) {
+		var blackBanana = blackBananas[i];
+		if (monkey.intersects(blackBanana)) {
+			LK.effects.flashScreen(0xff0000, 1000);
+			LK.showGameOver();
+			return;
+		}
+	}
+	// Check win condition
+	if (goldenBananas.length === 0) {
+		LK.showYouWin();
+	}
+};
\ No newline at end of file