===================================================================
--- original.js
+++ change.js
@@ -37,14 +37,26 @@
 		shape: 'ellipse'
 	});
 	self.speedX = -5;
 	self.move = function () {
-		// Obstacle moves from right to left
 		self.x += self.speedX;
-		// Rotate obstacle counterclockwise
 		self.rotation -= 0.11;
 	};
 });
+// Obstacle2 class
+var Obstacle2 = Container.expand(function () {
+	var self = Container.call(this);
+	var obstacleGraphics = self.attachAsset('obstacle', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		shape: 'ellipse'
+	});
+	self.speedX = -10;
+	self.move = function () {
+		self.x += self.speedX;
+		self.rotation -= 0.11;
+	};
+});
 
 /**** 
 * Initialize Game
 ****/ 
@@ -74,9 +86,11 @@
 		bird.scale.y = 1; // Return bird to original size after 100ms
 	}, 100);
 });
 var obstacles = [];
+var obstacles2 = [];
 var obstacleCreationCounter = 0;
+var obstacle2CreationCounter = 0;
 LK.on('tick', function () {
 	bird.move();
 	// Create a new obstacle every 60 ticks (approximately 1 second)
 	obstacleCreationCounter++;
@@ -86,32 +100,54 @@
 		newObstacle.y = Math.random() * 2732; // Start at a random height
 		obstacles.push(newObstacle);
 		obstacleCreationCounter = 0;
 	}
+	if (obstacle2CreationCounter >= 60) {
+		var newObstacle2 = game.addChild(new Obstacle2());
+		newObstacle2.x = 2048; // Start at the right edge of the screen
+		newObstacle2.y = Math.random() * 2732; // Start at a random height
+		obstacles2.push(newObstacle2);
+		obstacle2CreationCounter = 0;
+	}
 	// Move each obstacle and check for collisions
 	for (var i = 0; i < obstacles.length; i++) {
 		var obstacle = obstacles[i];
 		obstacle.move();
-		// Check if bird has collided with the obstacle
 		var dx = bird.x - obstacle.x;
 		var dy = bird.y - obstacle.y;
 		var distance = Math.sqrt(dx * dx + dy * dy);
 		if (distance < bird.width / 2 + obstacle.width / 2) {
-			// Flash screen red for 1 second (1000ms) to show game over.
 			LK.effects.flashScreen(0xff0000, 1000);
-			// Show game over. The game will be automatically paused while game over is showing.
-			// Display the final score at the center of the screen
 			var gameOverScoreTxt = new Text2(score.toString(), {
 				size: 200,
 				fill: "#FFFFFF"
 			});
-			gameOverScoreTxt.anchor.set(0.5, 0.5); // Anchor to the center
-			gameOverScoreTxt.x = 2048 / 2; // Position at the center of the screen horizontally
-			gameOverScoreTxt.y = 2732 / 4; // Position at the center of the screen vertically
+			gameOverScoreTxt.anchor.set(0.5, 0.5);
+			gameOverScoreTxt.x = 2048 / 2;
+			gameOverScoreTxt.y = 2732 / 4;
 			game.addChild(gameOverScoreTxt);
 			LK.showGameOver();
 		}
 	}
+	for (var i = 0; i < obstacles2.length; i++) {
+		var obstacle2 = obstacles2[i];
+		obstacle2.move();
+		var dx = bird.x - obstacle2.x;
+		var dy = bird.y - obstacle2.y;
+		var distance = Math.sqrt(dx * dx + dy * dy);
+		if (distance < bird.width / 2 + obstacle2.width / 2) {
+			LK.effects.flashScreen(0xff0000, 1000);
+			var gameOverScoreTxt = new Text2(score.toString(), {
+				size: 200,
+				fill: "#FFFFFF"
+			});
+			gameOverScoreTxt.anchor.set(0.5, 0.5);
+			gameOverScoreTxt.x = 2048 / 2;
+			gameOverScoreTxt.y = 2732 / 4;
+			game.addChild(gameOverScoreTxt);
+			LK.showGameOver();
+		}
+	}
 	// Check if bird has fallen off the screen or risen above the screen
 	var dx = bird.x - 2048 / 2;
 	var dy = bird.y - 2670 / 2;
 	var distance = Math.sqrt(dx * dx + dy * dy);