===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,216 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Bird = Container.expand(function () {
+	var self = Container.call(this);
+	var birdGraphics = self.attachAsset('bird', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.velocity = 0;
+	self.gravity = 0.8;
+	self.jumpPower = -15;
+	self.maxFallSpeed = 12;
+	self.update = function () {
+		// Apply gravity
+		self.velocity += self.gravity;
+		// Limit fall speed
+		if (self.velocity > self.maxFallSpeed) {
+			self.velocity = self.maxFallSpeed;
+		}
+		// Update position
+		self.y += self.velocity;
+		// Rotate bird based on velocity
+		birdGraphics.rotation = Math.max(-0.5, Math.min(0.5, self.velocity * 0.05));
+	};
+	self.jump = function () {
+		self.velocity = self.jumpPower;
+		LK.getSound('jump').play();
+	};
+	return self;
+});
+var Pipe = Container.expand(function () {
+	var self = Container.call(this);
+	self.gapSize = 300;
+	self.speed = -4;
+	self.scored = false;
+	// Top pipe
+	self.topPipe = self.attachAsset('pipe', {
+		anchorX: 0.5,
+		anchorY: 1
+	});
+	// Bottom pipe
+	self.bottomPipe = self.attachAsset('pipe', {
+		anchorX: 0.5,
+		anchorY: 0
+	});
+	self.setGapPosition = function (gapCenterY) {
+		self.topPipe.y = gapCenterY - self.gapSize / 2;
+		self.bottomPipe.y = gapCenterY + self.gapSize / 2;
+	};
+	self.update = function () {
+		self.x += self.speed;
+	};
+	self.getBounds = function () {
+		return {
+			x: self.x - 60,
+			width: 120,
+			topY: self.topPipe.y,
+			bottomY: self.bottomPipe.y
+		};
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
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+	backgroundColor: 0x87CEEB
+});
+
+/**** 
+* Game Code
+****/ 
+// Game variables
+var bird;
+var pipes = [];
+var ground;
+var gameStarted = false;
+var pipeSpawnTimer = 0;
+var pipeSpawnInterval = 120; // 2 seconds at 60fps
+var lastPipeScore = 0;
+// UI Elements
+var scoreTxt = new Text2('0', {
+	size: 80,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+var instructionTxt = new Text2('TAP TO JUMP', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+instructionTxt.anchor.set(0.5, 0.5);
+LK.gui.center.addChild(instructionTxt);
+// Initialize bird
+bird = game.addChild(new Bird());
+bird.x = 400;
+bird.y = 1366; // Center of screen height
+// Initialize ground
+ground = game.addChild(LK.getAsset('ground', {
+	anchorX: 0,
+	anchorY: 0
+}));
+ground.x = 0;
+ground.y = 2632; // Near bottom of screen
+// Game input handling
+game.down = function (x, y, obj) {
+	if (!gameStarted) {
+		gameStarted = true;
+		instructionTxt.visible = false;
+	}
+	bird.jump();
+};
+// Pipe management functions
+function createPipe() {
+	var pipe = new Pipe();
+	pipe.x = 2200; // Start off-screen right
+	// Random gap position (avoid too high or too low)
+	var minGapY = 400;
+	var maxGapY = 2200;
+	var gapCenterY = minGapY + Math.random() * (maxGapY - minGapY);
+	pipe.setGapPosition(gapCenterY);
+	pipes.push(pipe);
+	game.addChild(pipe);
+}
+function checkCollisions() {
+	var birdBounds = {
+		x: bird.x - 30,
+		y: bird.y - 30,
+		width: 60,
+		height: 60
+	};
+	// Check ground collision
+	if (bird.y + 30 >= ground.y) {
+		return true;
+	}
+	// Check ceiling collision
+	if (bird.y - 30 <= 0) {
+		return true;
+	}
+	// Check pipe collisions
+	for (var i = 0; i < pipes.length; i++) {
+		var pipe = pipes[i];
+		var pipeBounds = pipe.getBounds();
+		// Check if bird overlaps with pipe horizontally
+		if (birdBounds.x < pipeBounds.x + pipeBounds.width && birdBounds.x + birdBounds.width > pipeBounds.x) {
+			// Check if bird hits top or bottom pipe
+			if (birdBounds.y < pipeBounds.topY || birdBounds.y + birdBounds.height > pipeBounds.bottomY) {
+				return true;
+			}
+		}
+	}
+	return false;
+}
+function updateScore() {
+	for (var i = 0; i < pipes.length; i++) {
+		var pipe = pipes[i];
+		// Check if bird passed through pipe
+		if (!pipe.scored && pipe.x + 60 < bird.x) {
+			pipe.scored = true;
+			LK.setScore(LK.getScore() + 1);
+			scoreTxt.setText(LK.getScore());
+			LK.getSound('score').play();
+		}
+	}
+}
+function cleanupPipes() {
+	for (var i = pipes.length - 1; i >= 0; i--) {
+		var pipe = pipes[i];
+		// Remove pipes that are off-screen
+		if (pipe.x < -200) {
+			pipe.destroy();
+			pipes.splice(i, 1);
+		}
+	}
+}
+// Main game loop
+game.update = function () {
+	if (!gameStarted) {
+		return;
+	}
+	// Update bird
+	bird.update();
+	// Update pipes
+	for (var i = 0; i < pipes.length; i++) {
+		pipes[i].update();
+	}
+	// Spawn new pipes
+	pipeSpawnTimer++;
+	if (pipeSpawnTimer >= pipeSpawnInterval) {
+		createPipe();
+		pipeSpawnTimer = 0;
+	}
+	// Check collisions
+	if (checkCollisions()) {
+		LK.getSound('crash').play();
+		LK.showGameOver();
+		return;
+	}
+	// Update score
+	updateScore();
+	// Cleanup off-screen pipes
+	cleanupPipes();
+};
+// Initialize first pipe after delay
+LK.setTimeout(function () {
+	if (gameStarted) {
+		createPipe();
+	}
+}, 2000);
\ No newline at end of file