===================================================================
--- original.js
+++ change.js
@@ -281,12 +281,12 @@
 
 /**** 
 * Game Code
 ****/ 
+// Enumeration for game states
 /****************************************************************************************** */ 
 /************************************** GLOBAL VARIABLES ********************************** */
 /****************************************************************************************** */ 
-// Enumeration for game states
 var GAME_STATE = {
 	INIT: 'INIT',
 	MENU: 'MENU',
 	HELP: 'HELP',
@@ -297,8 +297,9 @@
 };
 var gameState = GAME_STATE.INIT;
 var athlete;
 var obstacles = [];
+var obstaclesLine2 = [];
 var groundLevel = 2732 - 200; // Ground level set 200px from the bottom
 var obstacleSpawnTicker = 0;
 var obstacleSpawnRate = 180; // Spawn an obstacle every 2 seconds
 var obstacleJustPassed = false;
@@ -395,16 +396,8 @@
 	// Second line track 2
 	track4 = game.addChild(new Track());
 	track4.x = 2048;
 	track4.y = 2732 - 1024;
-	// Third line track 1
-	track5 = game.addChild(new Track());
-	track5.x = 0;
-	track5.y = 2732 - 1536;
-	// Third line track 2
-	track6 = game.addChild(new Track());
-	track6.x = 2048;
-	track6.y = 2732 - 1536;
 	// Initialize athlete
 	athlete = game.addChild(new Athlete());
 	athlete.x = 400;
 	athlete.y = groundLevel - 200;
@@ -452,13 +445,20 @@
 	// Spawn obstacles
 	obstacleSpawnTicker++;
 	if (obstacleSpawnTicker >= obstacleSpawnRate) {
 		obstacleSpawnTicker = 0;
+		// Line 1
 		var newObstacle = new Obstacle(obstacles.length);
 		newObstacle.x = 2048; // Start from the right edge
 		newObstacle.y = groundLevel + 200;
 		obstacles.push(newObstacle);
 		game.addChild(newObstacle);
+		// Line 2
+		var newObstacle2 = new Obstacle(obstaclesLine2.length);
+		newObstacle2.x = 2048; // Start from the right edge
+		newObstacle2.y = groundLevel + 200;
+		obstaclesLine2.push(newObstacle2);
+		game.addChild(newObstacle2);
 	}
 }
 function updateObstacles() {
 	// Update obstacles
@@ -471,8 +471,17 @@
 			obstacles.splice(i, 1);
 			obstacleJustPassed = true;
 		}
 	}
+	for (var i = obstaclesLine2.length - 1; i >= 0; i--) {
+		obstaclesLine2[i].update();
+		// Remove obstacle if it moves off-screen and increase global speed
+		if (obstaclesLine2[i].x < -100) {
+			// Assuming obstacle width is less than 100px
+			obstaclesLine2[i].destroy();
+			obstaclesLine2.splice(i, 1);
+		}
+	}
 }
 function updateProgress() {
 	if (obstacleJustPassed) {
 		// Update Progress