===================================================================
--- original.js
+++ change.js
@@ -393,17 +393,64 @@
 	track3 = game.addChild(new Track());
 	track3.x = 2048 * 2; // Position the third track right after the second one
 	track3.y = 2732 - 512;
 	// Additional tracks above the current tracks now included in updateTracks function for movement
-	var track4 = game.addChild(new Track());
-	track4.x = 0; // Align with the start of the first track
-	track4.y = 2732 - 512 - 512; // Position above the first track
-	var track5 = game.addChild(new Track());
-	track5.x = 2048; // Align with the start of the second track
-	track5.y = 2732 - 512 - 512; // Position above the second track
-	var track6 = game.addChild(new Track());
-	track6.x = 2048 * 2; // Align with the start of the third track
-	track6.y = 2732 - 512 - 512; // Position above the third track
+	// Define track4, track5, and track6 in the global scope
+	var track4, track5, track6;
+	function gameInitialize() {
+		log("Game initialize...");
+		// Add background asset
+		scoreTxt = new Text2('0', {
+			size: 150,
+			fill: "#ffffff" // White color for better visibility
+		});
+		scoreTxt.anchor.set(0.5, 0); // Center the score text horizontally
+		LK.gui.top.addChild(scoreTxt); // Add the score text to the GUI overlay at the top center
+		var background = LK.getAsset('background', {
+			anchorX: 0.0,
+			anchorY: 0.0,
+			visible: false // TEMP DEBUG
+		});
+		game.addChild(background);
+		// Initialize track using Track class
+		track = game.addChild(new Track());
+		track.x = 0;
+		track.y = 2732 - 512;
+		// Second track instance for continuous effect
+		track2 = game.addChild(new Track());
+		track2.x = 2048; // Position the second track right after the first one
+		track2.y = 2732 - 512;
+		// Second track instance for continuous effect
+		track3 = game.addChild(new Track());
+		track3.x = 2048 * 2; // Position the third track right after the second one
+		track3.y = 2732 - 512;
+		// Additional tracks above the current tracks now included in updateTracks function for movement
+		track4 = game.addChild(new Track());
+		track4.x = 0; // Align with the start of the first track
+		track4.y = 2732 - 512 - 512; // Position above the first track
+		track5 = game.addChild(new Track());
+		track5.x = 2048; // Align with the start of the second track
+		track5.y = 2732 - 512 - 512; // Position above the second track
+		track6 = game.addChild(new Track());
+		track6.x = 2048 * 2; // Align with the start of the third track
+		track6.y = 2732 - 512 - 512; // Position above the third track
+		// Initialize athlete
+		athlete = game.addChild(new Athlete());
+		athlete.x = 400;
+		athlete.y = groundLevel - 200;
+		athlete.setPosture(idlePosture);
+		gameState = GAME_STATE.PLAYING;
+		if (isDebug) {
+			// Debug Marker
+			debugMarker = LK.getAsset('debugMarker', {
+				anchorX: 0.5,
+				anchorY: 0.5
+			});
+			game.addChild(debugMarker);
+			debugMarker.x = 0;
+			debugMarker.y = groundLevel;
+		}
+	}
 	// Initialize athlete
 	athlete = game.addChild(new Athlete());
 	athlete.x = 400;
 	athlete.y = groundLevel - 200;