===================================================================
--- original.js
+++ change.js
@@ -64,8 +64,9 @@
 var crane = game.addChild(new Crane());
 var baseBlock = game.addChild(new BaseBlock());
 baseBlock.x = 2048 / 2;
 baseBlock.y = 2732 - baseBlock.height / 2;
+var initialBaseBlockY = baseBlock.y; // Store the initial Y position of the base block
 crane.x = 2048 / 2;
 crane.y = 50; // Move the crane up
 var blocks = [];
 var currentBlock = null;
@@ -84,8 +85,9 @@
 		var horizontalSpeed = Math.sin(crane.rotation) * crane.speed * 10; // Reduced scaling factor
 		currentBlock.momentum = horizontalSpeed;
 		blocks.push(currentBlock);
 		currentBlock = null;
+		LK.getSound('place').play(); // Play the place sound
 	}
 }
 // Function to check for collisions and update score
 function checkCollisions() {
@@ -94,9 +96,9 @@
 			continue;
 		}
 		if (blocks[i].intersects(baseBlock)) {
 			blocks[i].falling = false;
-			blocks[i].y = baseBlock.y - baseBlock.height / 2 - blocks[i].height / 2 - towerHeight * 100;
+			blocks[i].y = baseBlock.y - baseBlock.height / 2 - blocks[i].height / 2;
 			towerHeight++;
 			LK.setScore(towerHeight);
 			scoreTxt.setText(LK.getScore());
 		} else {
@@ -150,32 +152,29 @@
 	if (currentBlock) {
 		currentBlock.update();
 	}
 	checkCollisions();
-	// Check if the number of blocks exceeds 5 and slide out the bottom block
+	// Check if the number of blocks exceeds a threshold and slide the base block down
 	if (blocks.length > 5) {
 		var fallingBlocks = blocks.filter(function (block) {
 			return block.falling;
 		});
 		if (fallingBlocks.length === 0) {
+			// Move the base block down
+			baseBlock.y += 5; // Adjust the speed of downward movement as needed
+			// Also slide out the bottom block as before
 			var bottomBlock = blocks.shift();
-			// Slide out the bottom block
 			bottomBlock.x += 10;
-			// Apply gravity to the remaining blocks
+			// Apply gravity to the remaining blocks, but only if they are above the original base position
 			for (var i = 0; i < blocks.length; i++) {
-				if (!blocks[i].falling) {
+				if (!blocks[i].falling && blocks[i].y < initialBaseBlockY - baseBlock.height / 2 - blocks[i].height / 2) {
 					blocks[i].falling = true;
 				}
 			}
 			// Destroy the bottom block when it is out of the scene
 			if (bottomBlock.x > 2048 + bottomBlock.width) {
 				bottomBlock.destroy();
 			}
-			// Slide out the base block
-			baseBlock.y += 10;
-			if (baseBlock.y > 2732 + baseBlock.height) {
-				baseBlock.destroy();
-			}
 		}
 	}
 };
 // Event listener for dropping blocks