===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,214 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Cloud = Container.expand(function () {
+	var self = Container.call(this);
+	var cloudGraphics = self.attachAsset('cloud', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 2;
+	self.update = function () {
+		self.x -= self.speed;
+	};
+	return self;
+});
+var Dinosaur = Container.expand(function () {
+	var self = Container.call(this);
+	var dinoGraphics = self.attachAsset('dino', {
+		anchorX: 0.5,
+		anchorY: 1.0
+	});
+	self.isJumping = false;
+	self.isDucking = false;
+	self.groundY = 0;
+	self.jumpSpeed = 0;
+	self.gravity = 0.8;
+	self.jumpPower = -16;
+	self.normalHeight = 80;
+	self.duckHeight = 40;
+	self.jump = function () {
+		if (!self.isJumping && !self.isDucking) {
+			self.isJumping = true;
+			self.jumpSpeed = self.jumpPower;
+			LK.getSound('jump').play();
+		}
+	};
+	self.startDuck = function () {
+		if (!self.isJumping && !self.isDucking) {
+			self.isDucking = true;
+			dinoGraphics.height = self.duckHeight;
+			LK.getSound('duck').play();
+		}
+	};
+	self.stopDuck = function () {
+		if (self.isDucking) {
+			self.isDucking = false;
+			dinoGraphics.height = self.normalHeight;
+		}
+	};
+	self.update = function () {
+		if (self.isJumping) {
+			self.jumpSpeed += self.gravity;
+			self.y += self.jumpSpeed;
+			if (self.y >= self.groundY) {
+				self.y = self.groundY;
+				self.isJumping = false;
+				self.jumpSpeed = 0;
+			}
+		}
+	};
+	return self;
+});
+var Obstacle = Container.expand(function (type) {
+	var self = Container.call(this);
+	self.type = type;
+	self.speed = 8;
+	if (type === 'cactus') {
+		var obstacleGraphics = self.attachAsset('cactus', {
+			anchorX: 0.5,
+			anchorY: 1.0
+		});
+		self.y = groundLevel;
+	} else if (type === 'pterodactyl') {
+		var obstacleGraphics = self.attachAsset('pterodactyl', {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+		self.y = groundLevel - 120;
+	}
+	self.update = function () {
+		self.x -= self.speed;
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
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+	backgroundColor: 0x87CEEB
+});
+
+/**** 
+* Game Code
+****/ 
+var groundLevel = 2732 - 200;
+var gameSpeed = 8;
+var speedIncrease = 0.005;
+var distance = 0;
+var isGameRunning = true;
+var isDucking = false;
+// Create ground
+var ground = game.addChild(LK.getAsset('ground', {
+	anchorX: 0,
+	anchorY: 0,
+	x: 0,
+	y: groundLevel
+}));
+// Create dinosaur
+var dinosaur = game.addChild(new Dinosaur());
+dinosaur.x = 300;
+dinosaur.y = groundLevel;
+dinosaur.groundY = groundLevel;
+// Create score display
+var scoreText = new Text2('0', {
+	size: 60,
+	fill: 0x000000
+});
+scoreText.anchor.set(1, 0);
+LK.gui.topRight.addChild(scoreText);
+// Arrays for game objects
+var obstacles = [];
+var clouds = [];
+// Obstacle spawning variables
+var obstacleSpawnTimer = 0;
+var obstacleSpawnDelay = 120;
+var cloudSpawnTimer = 0;
+var cloudSpawnDelay = 200;
+// Input handling
+game.down = function (x, y, obj) {
+	if (isGameRunning) {
+		dinosaur.jump();
+		isDucking = true;
+		dinosaur.startDuck();
+	}
+};
+game.up = function (x, y, obj) {
+	if (isGameRunning) {
+		isDucking = false;
+		dinosaur.stopDuck();
+	}
+};
+// Spawn obstacle function
+function spawnObstacle() {
+	var obstacleType = Math.random() < 0.7 ? 'cactus' : 'pterodactyl';
+	var obstacle = new Obstacle(obstacleType);
+	obstacle.x = 2048 + 50;
+	obstacle.speed = gameSpeed;
+	obstacles.push(obstacle);
+	game.addChild(obstacle);
+}
+// Spawn cloud function
+function spawnCloud() {
+	var cloud = new Cloud();
+	cloud.x = 2048 + 50;
+	cloud.y = Math.random() * 400 + 100;
+	cloud.speed = gameSpeed * 0.3;
+	clouds.push(cloud);
+	game.addChild(cloud);
+}
+// Main game loop
+game.update = function () {
+	if (!isGameRunning) return;
+	// Update distance and score
+	distance += gameSpeed * 0.1;
+	LK.setScore(Math.floor(distance));
+	scoreText.setText(Math.floor(distance));
+	// Increase game speed gradually
+	gameSpeed += speedIncrease;
+	// Spawn obstacles
+	obstacleSpawnTimer++;
+	if (obstacleSpawnTimer >= obstacleSpawnDelay) {
+		spawnObstacle();
+		obstacleSpawnTimer = 0;
+		obstacleSpawnDelay = Math.max(60, obstacleSpawnDelay - 0.5);
+	}
+	// Spawn clouds
+	cloudSpawnTimer++;
+	if (cloudSpawnTimer >= cloudSpawnDelay) {
+		spawnCloud();
+		cloudSpawnTimer = 0;
+	}
+	// Update and manage obstacles
+	for (var i = obstacles.length - 1; i >= 0; i--) {
+		var obstacle = obstacles[i];
+		obstacle.speed = gameSpeed;
+		// Check collision
+		if (dinosaur.intersects(obstacle)) {
+			isGameRunning = false;
+			LK.showGameOver();
+			return;
+		}
+		// Remove off-screen obstacles
+		if (obstacle.x < -100) {
+			obstacle.destroy();
+			obstacles.splice(i, 1);
+		}
+	}
+	// Update and manage clouds
+	for (var j = clouds.length - 1; j >= 0; j--) {
+		var cloud = clouds[j];
+		cloud.speed = gameSpeed * 0.3;
+		// Remove off-screen clouds
+		if (cloud.x < -100) {
+			cloud.destroy();
+			clouds.splice(j, 1);
+		}
+	}
+};
\ No newline at end of file