===================================================================
--- original.js
+++ change.js
@@ -108,8 +108,9 @@
 					duration: 1000,
 					easing: tween.easeOut
 				});
 			} else {
+				LK.getSound('tileChangeValue').play();
 				self.valueText.setText(self.value.toString());
 				self.valueTextShadow.setText(self.value.toString());
 			}
 			// Animate color change
@@ -232,11 +233,12 @@
 
 /**** 
 * Game Code
 ****/ 
-// Transition to menu state
-/***********************************************************************************************/ 
+var levelNumberText;
 /************************************* GAME OBJECTS CLASSES ************************************/
+/***********************************************************************************************/ 
+// Transition to menu state
 function PuzzleManager(game) {
 	var self = this;
 	// Properties
 	self.game = game;
@@ -534,8 +536,9 @@
 function initNewRoundState() {
 	// Initialize the game state for NEW_ROUND
 	log("Initializing NEW_ROUND State");
 	puzzleManager.initPuzzle();
+	levelNumberText.visible = true;
 	if (debug) {
 		changeGameState(GAME_STATE.PLAYING);
 	}
 }
@@ -744,8 +747,9 @@
 			if (isPointInsideTile(x, y, tile)) {
 				log("Operation button is above tile at position:", tile.x, tile.y); // Log when operation button is above a tile
 				puzzleManager.applyOperation(dragNode, tile);
 				tileFound = true;
+				boardContainer.addChildAt(tile, tile.previousZIndex); // Restore tile's original z-index
 				tween(tile, {
 					// Restore tile size after operation is applied
 					scaleX: 1,
 					scaleY: 1
@@ -759,11 +763,9 @@
 					duration: 500,
 					easing: tween.easeOut,
 					onFinish: function onFinish() {
 						if (dragNode) {
-							if (dragNode) {
-								dragNode.destroy();
-							}
+							dragNode.destroy();
 						}
 					}
 				});
 			} else {
@@ -874,8 +876,18 @@
 	resetButton = new ResetButton();
 	resetButton.x = game.width - 150; // Position at top right
 	resetButton.y = 150;
 	resetButton.visible = false; // Keep it non-visible initially
+	// Initialize levelNumberText
+	levelNumberText = new Text2(puzzleManager.currentLevel.toString(), {
+		size: 300,
+		fill: 0xFFFFFF
+	});
+	levelNumberText.anchor.set(0.5, 0.5);
+	levelNumberText.x = centerX;
+	levelNumberText.y = centerY;
+	levelNumberText.visible = false;
+	foregroundLayer.addChild(levelNumberText);
 	foregroundLayer.addChild(resetButton);
 	// Transition to menu state
 	changeGameState(GAME_STATE.MENU);
 }