===================================================================
--- original.js
+++ change.js
@@ -1,91 +1,133 @@
-/****
+/**** 
 * Classes
-****/
-//<Assets used in the game will automatically appear here>
-// Define the Bike class
+****/ 
+// Bike class to represent the player's bike
 var Bike = Container.expand(function () {
-  var self = Container.call(this);
-  var bikeGraphics = self.attachAsset('bike', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.speed = 0;
-  self.acceleration = 0.2;
-  self.maxSpeed = 10;
-  self.update = function () {
-    self.y -= self.speed;
-    if (self.speed < self.maxSpeed) {
-      self.speed += self.acceleration;
-    }
-  };
-  self.resetSpeed = function () {
-    self.speed = 0;
-  };
+	var self = Container.call(this);
+	self.attachAsset('bike', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 0;
+	// Method to accelerate the bike
+	self.accelerate = function () {
+		self.speed += 0.5; // Increase speed
+		if (self.speed > 10) {
+			self.speed = 10;
+		} // Max speed
+	};
+	// Method to decelerate the bike
+	self.decelerate = function () {
+		self.speed -= 0.5; // Decrease speed
+		if (self.speed < 0) {
+			self.speed = 0;
+		} // Min speed
+	};
+	// Update method to move the bike
+	self.update = function () {
+		self.y -= self.speed; // Move bike upward based on speed
+	};
 });
-// Define the Obstacle class
-var Obstacle = Container.expand(function () {
-  var self = Container.call(this);
-  var obstacleGraphics = self.attachAsset('obstacle', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.update = function () {
-    self.y += 5;
-    if (self.y > 2732) {
-      self.y = -100;
-      self.x = Math.random() * 2048;
-    }
-  };
+// OpponentBike class to represent opponent bikes
+var OpponentBike = Container.expand(function () {
+	var self = Container.call(this);
+	self.attachAsset('opponentBike', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = Math.random() * 2 + 3; // Random speed between 3 and 5
+	// Update method to move the opponent bike
+	self.update = function () {
+		self.y += self.speed; // Move bike downward based on speed
+		if (self.y > 600) {
+			// Reset if it goes off screen
+			self.y = -50; // Start from the top
+			self.x = Math.random() * 2048; // Randomize x position
+		}
+	};
 });
+// PowerUp class to represent power-up items
+var PowerUp = Container.expand(function () {
+	var self = Container.call(this);
+	self.attachAsset('powerUp', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.x = Math.random() * 2048; // Randomize x position
+	self.y = Math.random() * 600; // Randomize y position
+	// Method to check if bike intersects with the power-up
+	self.checkCollision = function (bike) {
+		return bike.intersects(self);
+	};
+});
 
-/****
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-  backgroundColor: 0x000000 //Init game with black background 
+	backgroundColor: 0xFFFFFF
 });
 
-/****
+/**** 
 * Game Code
-****/
-// Initialize game variables
-var bike = game.addChild(new Bike());
-bike.x = 2048 / 2;
-bike.y = 2732 - 200;
-var obstacles = [];
+****/ 
+// Init game with white background
+// Play race start sound
+LK.getSound('race_start').play();
+// Initialize arrays and variables
+var playerBike = game.addChild(new Bike());
+playerBike.x = 2048 / 2; // Center player bike
+playerBike.y = 500; // Position player bike near the bottom
+var opponentBikes = [];
+var powerUps = [];
+// Create opponent bikes and add them to the game
 for (var i = 0; i < 5; i++) {
-  var obstacle = new Obstacle();
-  obstacle.x = Math.random() * 2048;
-  obstacle.y = Math.random() * -2732;
-  obstacles.push(obstacle);
-  game.addChild(obstacle);
+	var opponentBike = new OpponentBike();
+	opponentBike.x = Math.random() * 2048; // Randomize position
+	opponentBike.y = -100 * (i + 1); // Stagger opponent bikes
+	opponentBikes.push(opponentBike);
+	game.addChild(opponentBike);
 }
-var scoreTxt = new Text2('0', {
-  size: 150,
-  fill: "#ffffff"
-});
-scoreTxt.anchor.set(0.5, 0);
-LK.gui.top.addChild(scoreTxt);
-var score = 0;
-var gameOver = false;
-function handleMove(x, y, obj) {
-  if (!gameOver) {
-    bike.x = x;
-  }
+// Create power-ups and add them to the game
+for (var i = 0; i < 3; i++) {
+	var powerUp = new PowerUp();
+	powerUps.push(powerUp);
+	game.addChild(powerUp);
 }
-game.move = handleMove;
+// Handle player movement
+game.move = function (x) {
+	playerBike.x = x; // Move player bike left or right
+};
+// Handle player acceleration
+game.down = function () {
+	playerBike.accelerate();
+};
+// Handle player deceleration
+game.up = function () {
+	playerBike.decelerate();
+};
+// Update game state
 game.update = function () {
-  if (!gameOver) {
-    bike.update();
-    for (var i = 0; i < obstacles.length; i++) {
-      obstacles[i].update();
-      if (bike.intersects(obstacles[i])) {
-        gameOver = true;
-        LK.effects.flashScreen(0xff0000, 1000);
-        LK.showGameOver();
-      }
-    }
-    score += 1;
-    scoreTxt.setText(score);
-  }
-};
\ No newline at end of file
+	playerBike.update(); // Update player bike
+	// Update opponent bikes
+	for (var i = 0; i < opponentBikes.length; i++) {
+		opponentBikes[i].update();
+		// Check for collision with player bike
+		if (playerBike.intersects(opponentBikes[i])) {
+			LK.getSound('crash').play(); // Play crash sound
+			LK.effects.flashScreen(0xff0000, 1000); // Flash screen red
+			LK.showGameOver(); // Show game over screen
+		}
+	}
+	// Update power-ups and check for collisions
+	for (var i = powerUps.length - 1; i >= 0; i--) {
+		if (powerUps[i].checkCollision(playerBike)) {
+			LK.getSound('power_up').play(); // Play power-up sound
+			playerBike.speed += 2; // Increase player speed
+			powerUps[i].destroy(); // Remove power-up from game
+			powerUps.splice(i, 1); // Remove from array
+		}
+	}
+};
+// Start the game
+game.start();
\ No newline at end of file