===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,265 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+var storage = LK.import("@upit/storage.v1");
+
+/**** 
+* Classes
+****/ 
+var Character = Container.expand(function () {
+	var self = Container.call(this);
+	var characterGraphics = self.attachAsset('character', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.lane = 1; // 0 = left, 1 = center, 2 = right
+	self.isMoving = false;
+	self.targetX = 1024; // center lane
+	self.setLane = function (newLane) {
+		if (newLane === self.lane || newLane < 0 || newLane > 2) return;
+		self.lane = newLane;
+		var lanePositions = [512, 1024, 1536];
+		self.targetX = lanePositions[newLane];
+		self.isMoving = true;
+		tween(self, {
+			x: self.targetX
+		}, {
+			duration: 200,
+			easing: tween.easeInOut,
+			onFinish: function onFinish() {
+				self.isMoving = false;
+			}
+		});
+	};
+	self.down = function (x, y, obj) {};
+	self.up = function (x, y, obj) {};
+	self.move = function (x, y, obj) {};
+	return self;
+});
+var Coin = Container.expand(function () {
+	var self = Container.call(this);
+	var coinGraphics = self.attachAsset('coin', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.lane = Math.floor(Math.random() * 3);
+	self.speed = 15;
+	self.lastY = self.y;
+	self.collected = false;
+	var lanePositions = [512, 1024, 1536];
+	self.x = lanePositions[self.lane];
+	self.y = -60;
+	self.update = function () {
+		self.lastY = self.y;
+		self.y += self.speed;
+	};
+	return self;
+});
+var Obstacle = Container.expand(function () {
+	var self = Container.call(this);
+	var obstacleGraphics = self.attachAsset('obstacle', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.lane = Math.floor(Math.random() * 3);
+	self.speed = 15;
+	self.lastY = self.y;
+	var lanePositions = [512, 1024, 1536];
+	self.x = lanePositions[self.lane];
+	self.y = -100;
+	self.update = function () {
+		self.lastY = self.y;
+		self.y += self.speed;
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x1a1a2e
+});
+
+/**** 
+* Game Code
+****/ 
+// Game state variables
+var character = null;
+var obstacles = [];
+var coins = [];
+var gameSpeed = 10;
+var baseSpeed = 10;
+var maxSpeed = 25;
+var scoreMultiplier = 1;
+var tickCounter = 0;
+var lastSwipeX = 0;
+var swipeThreshold = 200;
+// Initialize UI
+var scoreTxt = new Text2('0', {
+	size: 120,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+var speedTxt = new Text2('Speed: 1.0x', {
+	size: 80,
+	fill: 0xFFD700
+});
+speedTxt.anchor.set(0.5, 0);
+speedTxt.y = 150;
+LK.gui.top.addChild(speedTxt);
+// Add track visuals
+var track1 = game.addChild(LK.getAsset('track', {
+	anchorX: 0.5,
+	anchorY: 0
+}));
+track1.x = 1024;
+track1.y = 0;
+var track2 = game.addChild(LK.getAsset('track', {
+	anchorX: 0.5,
+	anchorY: 0
+}));
+track2.x = 1024;
+track2.y = -400;
+// Initialize character
+character = game.addChild(new Character());
+character.x = 1024;
+character.y = 2400;
+// Game input handling
+var swipeStartX = null;
+game.down = function (x, y, obj) {
+	swipeStartX = x;
+};
+game.up = function (x, y, obj) {
+	if (swipeStartX !== null) {
+		var swipeDelta = x - swipeStartX;
+		if (Math.abs(swipeDelta) > swipeThreshold) {
+			if (swipeDelta < 0) {
+				// Swipe left
+				if (character.lane > 0) {
+					character.setLane(character.lane - 1);
+				}
+			} else {
+				// Swipe right
+				if (character.lane < 2) {
+					character.setLane(character.lane + 1);
+				}
+			}
+		}
+		swipeStartX = null;
+	}
+};
+game.move = function (x, y, obj) {
+	// No continuous movement needed for this game
+};
+// Spawn obstacles
+var obstacleSpawnRate = 60;
+var obstacleCounter = 0;
+// Spawn coins
+var coinSpawnRate = 80;
+var coinCounter = 0;
+// Main game loop
+game.update = function () {
+	tickCounter++;
+	// Gradually increase speed
+	if (tickCounter % 300 === 0 && gameSpeed < maxSpeed) {
+		gameSpeed += 0.5;
+		baseSpeed = gameSpeed;
+		scoreMultiplier = (gameSpeed / 10).toFixed(1);
+		speedTxt.setText('Speed: ' + scoreMultiplier + 'x');
+	}
+	// Update obstacle speed
+	for (var i = 0; i < obstacles.length; i++) {
+		obstacles[i].speed = gameSpeed;
+	}
+	// Update coin speed
+	for (var i = 0; i < coins.length; i++) {
+		coins[i].speed = gameSpeed;
+	}
+	// Spawn obstacles
+	obstacleCounter++;
+	if (obstacleCounter >= obstacleSpawnRate) {
+		var newObstacle = new Obstacle();
+		newObstacle.speed = gameSpeed;
+		game.addChild(newObstacle);
+		obstacles.push(newObstacle);
+		obstacleCounter = 0;
+	}
+	// Spawn coins
+	coinCounter++;
+	if (coinCounter >= coinSpawnRate) {
+		var newCoin = new Coin();
+		newCoin.speed = gameSpeed;
+		game.addChild(newCoin);
+		coins.push(newCoin);
+		coinCounter = 0;
+	}
+	// Update and check obstacles
+	for (var a = obstacles.length - 1; a >= 0; a--) {
+		var obstacle = obstacles[a];
+		if (obstacle.lastY === undefined) {
+			obstacle.lastY = obstacle.y;
+			obstacle.lastIntersecting = false;
+		}
+		// Check collision with character
+		var currentIntersecting = obstacle.intersects(character);
+		if (!obstacle.lastIntersecting && currentIntersecting) {
+			// Collision detected
+			LK.getSound('crash').play();
+			LK.effects.flashScreen(0xFF0000, 500);
+			LK.showGameOver();
+		}
+		// Remove obstacle if off-screen
+		if (obstacle.y > 2800) {
+			obstacle.destroy();
+			obstacles.splice(a, 1);
+			continue;
+		}
+		obstacle.lastIntersecting = currentIntersecting;
+		obstacle.lastY = obstacle.y;
+	}
+	// Update and check coins
+	for (var b = coins.length - 1; b >= 0; b--) {
+		var coin = coins[b];
+		if (coin.lastY === undefined) {
+			coin.lastY = coin.y;
+			coin.lastIntersecting = false;
+		}
+		// Check collision with character
+		var coinIntersecting = coin.intersects(character);
+		if (!coin.lastIntersecting && coinIntersecting && !coin.collected) {
+			// Coin collected
+			coin.collected = true;
+			LK.getSound('coinCollect').play();
+			var points = Math.round(10 * scoreMultiplier);
+			LK.setScore(LK.getScore() + points);
+			scoreTxt.setText(LK.getScore());
+			// Flash coin
+			LK.effects.flashObject(coin, 0xFFFFFF, 200);
+			coin.destroy();
+			coins.splice(b, 1);
+			continue;
+		}
+		// Remove coin if off-screen
+		if (coin.y > 2800) {
+			coin.destroy();
+			coins.splice(b, 1);
+			continue;
+		}
+		coin.lastIntersecting = coinIntersecting;
+		coin.lastY = coin.y;
+	}
+	// Update track position (parallax effect)
+	track1.y += gameSpeed;
+	track2.y += gameSpeed;
+	if (track1.y > 2732) {
+		track1.y = track2.y - 400;
+	}
+	if (track2.y > 2732) {
+		track2.y = track1.y - 400;
+	}
+};
+// Start background music
+LK.playMusic('bgmusic');
\ No newline at end of file