===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,193 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Ball = Container.expand(function () {
+	var self = Container.call(this);
+	var ballGraphics = self.attachAsset('ball', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.velocityX = 0;
+	self.velocityY = 0;
+	self.friction = 0.98;
+	self.bounceReduction = 0.7;
+	self.update = function () {
+		self.x += self.velocityX;
+		self.y += self.velocityY;
+		// Apply friction
+		self.velocityX *= self.friction;
+		self.velocityY *= self.friction;
+		// Bounce off field boundaries
+		if (self.x <= 50 || self.x >= 1998) {
+			self.velocityX *= -self.bounceReduction;
+			self.x = Math.max(50, Math.min(1998, self.x));
+		}
+		if (self.y <= 300 || self.y >= 1650) {
+			self.velocityY *= -self.bounceReduction;
+			self.y = Math.max(300, Math.min(1650, self.y));
+		}
+	};
+	return self;
+});
+var Goalkeeper = Container.expand(function () {
+	var self = Container.call(this);
+	var keeperGraphics = self.attachAsset('goalkeeper', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 4;
+	self.targetX = 1024;
+	self.update = function () {
+		var diffX = self.targetX - self.x;
+		if (Math.abs(diffX) > 5) {
+			self.x += diffX > 0 ? self.speed : -self.speed;
+		}
+		// Keep goalkeeper within goal area
+		self.x = Math.max(874, Math.min(1174, self.x));
+	};
+	return self;
+});
+var Player = Container.expand(function () {
+	var self = Container.call(this);
+	var playerGraphics = self.attachAsset('player', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 8;
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x2E7D32
+});
+
+/**** 
+* Game Code
+****/ 
+// Game field
+var field = game.addChild(LK.getAsset('field', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: 1024,
+	y: 975
+}));
+// Goal
+var goal = game.addChild(LK.getAsset('goal', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: 1024,
+	y: 375
+}));
+// Player
+var player = game.addChild(new Player());
+player.x = 1024;
+player.y = 1400;
+// Ball
+var ball = game.addChild(new Ball());
+ball.x = 1024;
+ball.y = 1000;
+// Goalkeeper
+var goalkeeper = game.addChild(new Goalkeeper());
+goalkeeper.x = 1024;
+goalkeeper.y = 400;
+// Game variables
+var gameTime = 60;
+var gameStarted = false;
+var dragNode = null;
+var lastBallDistance = 0;
+// UI Elements
+var scoreText = new Text2('0', {
+	size: 80,
+	fill: 0xFFFFFF
+});
+scoreText.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreText);
+var timerText = new Text2('60', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+timerText.anchor.set(1, 0);
+LK.gui.topRight.addChild(timerText);
+// Game timer
+var gameTimer = LK.setInterval(function () {
+	if (gameStarted && gameTime > 0) {
+		gameTime--;
+		timerText.setText(gameTime.toString());
+		if (gameTime <= 0) {
+			LK.showGameOver();
+		}
+	}
+}, 1000);
+// Input handling
+game.down = function (x, y, obj) {
+	if (!gameStarted) {
+		gameStarted = true;
+	}
+	dragNode = player;
+};
+game.move = function (x, y, obj) {
+	if (dragNode && gameStarted) {
+		dragNode.x = Math.max(50, Math.min(1998, x));
+		dragNode.y = Math.max(600, Math.min(1650, y));
+	}
+};
+game.up = function (x, y, obj) {
+	dragNode = null;
+};
+// Game update loop
+game.update = function () {
+	if (!gameStarted || gameTime <= 0) return;
+	// Check player-ball collision for kicking
+	var playerBallDistance = Math.sqrt(Math.pow(player.x - ball.x, 2) + Math.pow(player.y - ball.y, 2));
+	if (playerBallDistance < 60 && lastBallDistance >= 60) {
+		// Kick the ball toward goal
+		var kickPowerX = (goal.x - ball.x) / 100;
+		var kickPowerY = (goal.y - ball.y) / 100;
+		ball.velocityX = kickPowerX * 15;
+		ball.velocityY = kickPowerY * 15;
+		LK.getSound('kick').play();
+	}
+	lastBallDistance = playerBallDistance;
+	// Update goalkeeper AI to track ball
+	if (ball.y < 800) {
+		goalkeeper.targetX = ball.x;
+		// Increase goalkeeper speed based on score
+		goalkeeper.speed = 4 + LK.getScore() * 0.5;
+	}
+	// Check goal scoring
+	if (ball.x >= 874 && ball.x <= 1174 && ball.y <= 475 && ball.y >= 275) {
+		// Check if goalkeeper blocks the ball
+		var keeperBallDistance = Math.sqrt(Math.pow(goalkeeper.x - ball.x, 2) + Math.pow(goalkeeper.y - ball.y, 2));
+		if (keeperBallDistance > 50) {
+			// Goal scored!
+			LK.setScore(LK.getScore() + 1);
+			scoreText.setText(LK.getScore().toString());
+			LK.getSound('goal').play();
+			// Flash effect
+			LK.effects.flashScreen(0x00FF00, 500);
+			// Reset ball position
+			ball.x = 1024;
+			ball.y = 1000;
+			ball.velocityX = 0;
+			ball.velocityY = 0;
+		} else {
+			// Goalkeeper save
+			LK.getSound('save').play();
+			ball.velocityX *= -0.5;
+			ball.velocityY *= -0.5;
+		}
+	}
+	// Check if ball goes behind goal line but outside goal
+	if (ball.y <= 275) {
+		ball.y = 275;
+		ball.velocityY *= -0.7;
+	}
+};
\ No newline at end of file