===================================================================
--- original.js
+++ change.js
@@ -384,8 +384,25 @@
 		self.isOnGround = true;
 	};
 });
 /****************************************************************************************** */ 
+/********************************** BLOCKER CLASS ********************************** */
+/****************************************************************************************** */ 
+var Blocker = Container.expand(function (athleteX, groundLevelY) {
+	var self = Container.call(this);
+	self.blockerGraphics = self.attachAsset('blocker01', {
+		anchorX: 0.5,
+		anchorY: 0.0,
+		x: athleteX + 2048 + 512,
+		y: groundLevelY + 75
+	});
+	self.speedX = globalSpeedPerLine[0];
+	self._update_migrated = function () {
+		self.speedX = globalSpeedPerLine[0];
+		self.x += self.speedX;
+	};
+});
+/****************************************************************************************** */ 
 /************************************** FINISH LINE CLASS ************************************ */
 /****************************************************************************************** */ 
 var FinishLine = Container.expand(function () {
 	var self = Container.call(this);
@@ -568,8 +585,9 @@
 var obstacleSpawnTicker = 0;
 var obstacleSpawnDistanceRate = 1.5; // Ratio of screen width between obstacles
 var obstacleJustPassed = false;
 var startingBlocks = [];
+var blocker;
 var startX = 600;
 var aiJumpLeftLimit = -350;
 var aiJumpRightLimit = 2048 + 512;
 var finishLine;
@@ -589,9 +607,9 @@
 var globalBaseSpeed = -20 - 10 * difficultyLevel;
 var globalSpeedPerLine = []; // Global speed for tracks and obstacles default -10 / min = -4
 var raceFinishTime = 0;
 var colorsArray = [0x1188FF, 0xFF0000, 0x00FF00, 0xFFFF00, 0xFF00FF, 0x00FFFF, 0xFFFFFF, 0xFF8811];
-var isDebug = false;
+var isDebug = true;
 var debugMarker;
 // UI
 var startText;
 var startButton;
@@ -837,8 +855,10 @@
 	startText.anchor.set(0.5, 0.5); // Center the text horizontally and vertically
 	startText.x = 2048 / 2; // Center horizontally
 	startText.y = 2732 / 2; // Center vertically
 	game.addChild(startText);
+	blocker = new Blocker(600, groundLevel - 200 - 220 * 1);
+	game.addChild(blocker);
 	gameState = GAME_STATE.MENU;
 }
 function cleanMenuState() {
 	game.removeChild(startText);
@@ -900,8 +920,13 @@
 	});
 	scoreTxt.anchor.set(1.1, 0.15); // Center the score text horizontally
 	LK.gui.topRight.addChild(scoreTxt); // Add the score text to the GUI overlay at the top center
 	currentFinishPosition = 1;
+	// Remove starting blocks offset
+	for (var i = numberOfOpponents - 1; i >= 0; i--) {
+		opponents[i].y -= 150;
+	}
+	athlete.y -= 150;
 	gameState = GAME_STATE.PLAYING;
 }
 function cleanPlayingHurdlesState() {
 	// Remove Opponents & Athlete
@@ -1022,8 +1047,10 @@
 	finishLine = new FinishLine();
 	finishLine.x = 2048 * obstacleSpawnDistanceRate * (numberOfObstacles + 1) + 1024; // Start from the right edge      
 	finishLine.y = groundLevel + 200;
 	game.addChild(finishLine);
+	blocker = new Blocker(startX, linesGroundLevels[1]);
+	game.addChild(blocker);
 }
 function updateObstacles() {
 	// Update obstacles
 	for (var line = 0; line < numberOfLines; line++) {
@@ -1048,8 +1075,11 @@
 			game.removeChild(startingBlocks[i]);
 			startingBlocks[i].destroy();
 		}
 	}
+	if (blocker) {
+		blocker._update_migrated();
+	}
 }
 function updateProgress() {
 	if (obstacleJustPassed && !finishLine.isCut) {
 		// Update Progress