===================================================================
--- original.js
+++ change.js
@@ -58,25 +58,40 @@
 // Add touch event listener to make bird move up and down smoothly
 game.on('down', function (obj) {
 	bird.flyUp = true;
 });
+var obstacles = [];
+var obstacleCreationCounter = 0;
 LK.on('tick', function () {
 	bird.move();
-	obstacle.move();
+	// Create a new obstacle every 60 ticks (approximately 1 second)
+	obstacleCreationCounter++;
+	if (obstacleCreationCounter >= 60) {
+		var newObstacle = game.addChild(new Obstacle());
+		newObstacle.x = 2048; // Start at the right edge of the screen
+		newObstacle.y = Math.random() * 2732; // Start at a random height
+		obstacles.push(newObstacle);
+		obstacleCreationCounter = 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
+		if (bird.intersects(obstacle)) {
+			// 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.
+			LK.showGameOver();
+		}
+	}
 	// Check if bird has fallen off the screen or risen above the screen
 	if (bird.y > 2732 || bird.y < 0) {
 		// 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.
 		LK.showGameOver();
 	}
-	// Check if bird has collided with the obstacle
-	if (bird.intersects(obstacle)) {
-		// 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.
-		LK.showGameOver();
-	}
 });
 // Initialize bird and obstacles
 // Yellow bird
 // Brown obstacles;