===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,305 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Background = Container.expand(function () {
+	var self = Container.call(this);
+	// Create sky
+	var sky = self.attachAsset('sky', {
+		anchorX: 0,
+		anchorY: 0
+	});
+	// Create scrolling ground
+	var ground1 = self.attachAsset('ground', {
+		anchorX: 0,
+		anchorY: 0
+	});
+	var ground2 = self.attachAsset('ground', {
+		anchorX: 0,
+		anchorY: 0
+	});
+	// Position ground at bottom of screen
+	ground1.y = 2732 - ground1.height;
+	ground2.y = 2732 - ground2.height;
+	ground2.x = ground1.width;
+	self.ground1 = ground1;
+	self.ground2 = ground2;
+	self.groundY = ground1.y;
+	// Update ground scroll effect
+	self.update = function () {
+		if (game.gameActive) {
+			// Scroll ground
+			ground1.x -= 5;
+			ground2.x -= 5;
+			// Loop ground tiles
+			if (ground1.x <= -ground1.width) {
+				ground1.x = ground2.x + ground2.width;
+			}
+			if (ground2.x <= -ground2.width) {
+				ground2.x = ground1.x + ground1.width;
+			}
+		}
+	};
+	return self;
+});
+// Set background color
+var Bird = Container.expand(function () {
+	var self = Container.call(this);
+	// Bird graphics
+	var birdGraphics = self.attachAsset('bird', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Bird physics
+	self.velocity = 0;
+	self.gravity = 0.5;
+	self.flapPower = -10;
+	self.rotation = 0;
+	self.isDead = false;
+	self.lastY = 0;
+	// Flap the bird's wings (jump)
+	self.flap = function () {
+		if (self.isDead) return;
+		self.velocity = self.flapPower;
+		LK.getSound('flap').play();
+		// Animate rotation upward
+		tween(self, {
+			rotation: -0.3
+		}, {
+			duration: 100,
+			easing: tween.easeOut
+		});
+	};
+	// Update bird position and physics
+	self.update = function () {
+		self.lastY = self.y;
+		if (!self.isDead) {
+			// Apply gravity
+			self.velocity += self.gravity;
+			self.y += self.velocity;
+			// Rotate bird based on velocity
+			if (self.velocity > 0) {
+				var targetRotation = Math.min(Math.PI / 2, self.velocity * 0.05);
+				tween(self, {
+					rotation: targetRotation
+				}, {
+					duration: 200,
+					easing: tween.linear
+				});
+			}
+		}
+	};
+	// Handle bird death
+	self.die = function () {
+		if (self.isDead) return;
+		self.isDead = true;
+		LK.getSound('hit').play();
+		// Animate death (fall with rotation)
+		tween(self, {
+			rotation: Math.PI / 2
+		}, {
+			duration: 500,
+			easing: tween.easeIn
+		});
+	};
+	return self;
+});
+var Pipe = Container.expand(function () {
+	var self = Container.call(this);
+	// Pipe properties
+	self.speed = 5;
+	self.passed = false;
+	self.lastX = 0;
+	// Create top and bottom pipes
+	self.init = function (gapY, gapHeight) {
+		// Top pipe
+		var topPipe = self.attachAsset('pipe', {
+			anchorX: 0.5,
+			anchorY: 1.0 // Bottom anchor
+		});
+		topPipe.y = gapY - gapHeight / 2;
+		// Bottom pipe
+		var bottomPipe = self.attachAsset('pipe', {
+			anchorX: 0.5,
+			anchorY: 0.0 // Top anchor
+		});
+		bottomPipe.y = gapY + gapHeight / 2;
+		// Store references
+		self.topPipe = topPipe;
+		self.bottomPipe = bottomPipe;
+	};
+	// Update pipe position
+	self.update = function () {
+		self.lastX = self.x;
+		self.x -= self.speed;
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
 	backgroundColor: 0x000000
-});
\ No newline at end of file
+});
+
+/**** 
+* Game Code
+****/ 
+// Set background color
+/* 
+* Assets
+*/
+// Bird character
+// Pipe obstacle (top and bottom)
+// Background ground
+// Sky background
+// Game over flash effect
+// Sound effects
+// Import tween plugin for animations
+game.setBackgroundColor(0x87CEEB);
+// Game variables
+var pipes = [];
+var pipeSpawnInterval = 90; // In ticks (frames)
+var gapHeight = 300; // Gap between pipes
+var score = 0;
+var gameStarted = false;
+var gameActive = true;
+game.gameActive = gameActive; // Make it accessible to other classes
+// Create background
+var background = new Background();
+game.addChild(background);
+// Create bird
+var bird = new Bird();
+bird.x = 400;
+bird.y = 2732 / 2;
+game.addChild(bird);
+// Create score text
+var scoreText = new Text2('0', {
+	size: 150,
+	fill: 0xFFFFFF
+});
+scoreText.anchor.set(0.5, 0);
+scoreText.y = 100;
+scoreText.x = 2048 / 2;
+LK.gui.top.addChild(scoreText);
+// Create tap to start text
+var startText = new Text2('TAP TO START', {
+	size: 100,
+	fill: 0xFFFFFF
+});
+startText.anchor.set(0.5, 0.5);
+startText.x = 2048 / 2;
+startText.y = 2732 / 2;
+LK.gui.center.addChild(startText);
+// Create flash overlay for game over
+var flashOverlay = LK.getAsset('flash', {
+	anchorX: 0,
+	anchorY: 0,
+	alpha: 0
+});
+game.addChild(flashOverlay);
+// Game event handlers
+game.down = function (x, y, obj) {
+	if (!gameStarted) {
+		// First tap starts the game
+		gameStarted = true;
+		startText.visible = false;
+	}
+	if (gameActive) {
+		bird.flap();
+	}
+};
+// Spawn a new pipe pair
+function spawnPipe() {
+	var pipe = new Pipe();
+	// Random gap position between pipes (constrained to middle 60% of screen)
+	var minY = 2732 * 0.2;
+	var maxY = 2732 * 0.8 - background.ground1.height;
+	var gapY = minY + Math.random() * (maxY - minY);
+	pipe.init(gapY, gapHeight);
+	pipe.x = 2048 + 100;
+	pipes.push(pipe);
+	game.addChild(pipe);
+}
+// Check collisions
+function checkCollisions() {
+	// Ground collision
+	if (bird.y + bird.height / 2 >= background.groundY) {
+		bird.y = background.groundY - bird.height / 2;
+		gameOver();
+		return;
+	}
+	// Ceiling collision
+	if (bird.y - bird.height / 2 <= 0) {
+		bird.y = bird.height / 2;
+		bird.velocity = 0;
+	}
+	// Pipe collisions
+	for (var i = 0; i < pipes.length; i++) {
+		var pipe = pipes[i];
+		if (bird.intersects(pipe.topPipe) || bird.intersects(pipe.bottomPipe)) {
+			gameOver();
+			return;
+		}
+		// Score when passing pipe
+		if (!pipe.passed && pipe.lastX > bird.x && pipe.x <= bird.x) {
+			pipe.passed = true;
+			score++;
+			LK.setScore(score);
+			scoreText.setText(score.toString());
+			LK.getSound('score').play();
+		}
+	}
+}
+// Game over handling
+function gameOver() {
+	if (!gameActive) return;
+	gameActive = false;
+	game.gameActive = false;
+	bird.die();
+	// Flash effect
+	flashOverlay.alpha = 0.8;
+	tween(flashOverlay, {
+		alpha: 0
+	}, {
+		duration: 500,
+		easing: tween.easeOut,
+		onFinish: function onFinish() {
+			// Show game over after flash
+			LK.setTimeout(function () {
+				LK.showGameOver();
+			}, 1000);
+		}
+	});
+}
+// Main game update loop
+game.update = function () {
+	if (!gameStarted) return;
+	// Update bird
+	bird.update();
+	if (gameActive) {
+		// Spawn pipes at interval
+		if (LK.ticks % pipeSpawnInterval === 0) {
+			spawnPipe();
+		}
+		// Update pipes
+		for (var i = pipes.length - 1; i >= 0; i--) {
+			var pipe = pipes[i];
+			pipe.update();
+			// Remove pipes that have gone off screen
+			if (pipe.x < -150) {
+				pipe.destroy();
+				pipes.splice(i, 1);
+			}
+		}
+		// Check for collisions
+		checkCollisions();
+	}
+	// Update background
+	background.update();
+};
\ No newline at end of file