===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,212 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Platform = Container.expand(function (type) {
+	var self = Container.call(this);
+	self.type = type || 'normal';
+	self.used = false;
+	self.moveDirection = 1;
+	self.moveSpeed = 2;
+	var assetId = 'platform';
+	if (self.type === 'breakable') assetId = 'breakablePlatform';else if (self.type === 'moving') assetId = 'movingPlatform';else if (self.type === 'spring') assetId = 'springPlatform';
+	var platformGraphics = self.attachAsset(assetId, {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.update = function () {
+		if (self.type === 'moving') {
+			self.x += self.moveSpeed * self.moveDirection;
+			if (self.x <= 90 || self.x >= 1958) {
+				self.moveDirection *= -1;
+			}
+		}
+	};
+	self.onLanded = function () {
+		if (self.type === 'breakable' && !self.used) {
+			self.used = true;
+			tween(self, {
+				alpha: 0,
+				scaleY: 0.1
+			}, {
+				duration: 200,
+				onFinish: function onFinish() {
+					self.destroy();
+				}
+			});
+			LK.getSound('break').play();
+			return false; // Don't jump
+		} else if (self.type === 'spring') {
+			LK.getSound('spring').play();
+			return -25; // Extra jump power
+		}
+		return true; // Normal jump
+	};
+	return self;
+});
+var Player = Container.expand(function () {
+	var self = Container.call(this);
+	var playerGraphics = self.attachAsset('player', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.velocityY = 0;
+	self.velocityX = 0;
+	self.gravity = 0.8;
+	self.jumpPower = -18;
+	self.maxVelocityX = 8;
+	self.friction = 0.85;
+	self.isJumping = false;
+	self.update = function () {
+		// Apply gravity
+		self.velocityY += self.gravity;
+		// Apply velocities
+		self.y += self.velocityY;
+		self.x += self.velocityX;
+		// Apply friction to horizontal movement
+		self.velocityX *= self.friction;
+		// Wrap around screen horizontally
+		if (self.x < -40) {
+			self.x = 2048 + 40;
+		} else if (self.x > 2048 + 40) {
+			self.x = -40;
+		}
+		// Check if falling (for jump detection)
+		self.isJumping = self.velocityY > 0;
+	};
+	self.jump = function (power) {
+		if (!power) power = self.jumpPower;
+		self.velocityY = power;
+		LK.getSound('jump').play();
+	};
+	self.moveLeft = function () {
+		self.velocityX = Math.max(self.velocityX - 1.5, -self.maxVelocityX);
+	};
+	self.moveRight = function () {
+		self.velocityX = Math.min(self.velocityX + 1.5, self.maxVelocityX);
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x87CEEB
+});
+
+/**** 
+* Game Code
+****/ 
+var player;
+var platforms = [];
+var camera = {
+	y: 0
+};
+var maxHeight = 0;
+var platformSpacing = 200;
+var lastPlatformY = 2732;
+// Initialize score display
+var scoreTxt = new Text2('0', {
+	size: 80,
+	fill: 0x000000
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+// Create player
+player = game.addChild(new Player());
+player.x = 1024;
+player.y = 2500;
+// Create initial platforms
+function createPlatform(x, y, type) {
+	var platform = new Platform(type);
+	platform.x = x;
+	platform.y = y;
+	platforms.push(platform);
+	game.addChild(platform);
+	return platform;
+}
+// Generate initial platforms
+for (var i = 0; i < 15; i++) {
+	var platformY = 2732 - i * platformSpacing;
+	var platformX = Math.random() * (2048 - 180) + 90;
+	var platformType = 'normal';
+	if (i > 2) {
+		var rand = Math.random();
+		if (rand < 0.1) platformType = 'breakable';else if (rand < 0.2) platformType = 'moving';else if (rand < 0.25) platformType = 'spring';
+	}
+	createPlatform(platformX, platformY, platformType);
+	lastPlatformY = platformY;
+}
+// Generate more platforms as needed
+function generatePlatforms() {
+	while (lastPlatformY > camera.y - 1000) {
+		lastPlatformY -= platformSpacing + (Math.random() * 100 - 50);
+		var platformX = Math.random() * (2048 - 180) + 90;
+		var platformType = 'normal';
+		var rand = Math.random();
+		if (rand < 0.15) platformType = 'breakable';else if (rand < 0.3) platformType = 'moving';else if (rand < 0.35) platformType = 'spring';
+		createPlatform(platformX, lastPlatformY, platformType);
+	}
+}
+// Input handling
+game.down = function (x, y, obj) {
+	if (x < 1024) {
+		player.moveLeft();
+	} else {
+		player.moveRight();
+	}
+};
+game.update = function () {
+	// Update camera to follow player
+	var targetCameraY = player.y - 1800;
+	if (targetCameraY < camera.y) {
+		camera.y = targetCameraY;
+		game.y = -camera.y;
+	}
+	// Update max height and score
+	var currentHeight = Math.max(0, Math.floor((2732 - player.y) / 10));
+	if (currentHeight > maxHeight) {
+		maxHeight = currentHeight;
+		LK.setScore(maxHeight);
+		scoreTxt.setText(maxHeight.toString());
+	}
+	// Generate new platforms
+	generatePlatforms();
+	// Check platform collisions
+	for (var i = platforms.length - 1; i >= 0; i--) {
+		var platform = platforms[i];
+		// Remove platforms that are too far below
+		if (platform.y > camera.y + 3000) {
+			platform.destroy();
+			platforms.splice(i, 1);
+			continue;
+		}
+		// Check collision with player
+		if (player.isJumping && player.intersects(platform)) {
+			var playerBottom = player.y + 40;
+			var platformTop = platform.y - 10;
+			if (playerBottom > platformTop && playerBottom < platformTop + 30) {
+				var jumpResult = platform.onLanded();
+				if (jumpResult === false) {
+					// Breakable platform - no jump
+					continue;
+				} else if (typeof jumpResult === 'number') {
+					// Spring platform - custom jump power
+					player.jump(jumpResult);
+				} else {
+					// Normal platform - regular jump
+					player.jump();
+				}
+			}
+		}
+	}
+	// Game over condition
+	if (player.y > camera.y + 2732 + 200) {
+		LK.showGameOver();
+	}
+};
\ No newline at end of file