===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,217 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Block = Container.expand(function (blockType) {
+	var self = Container.call(this);
+	var blockAssets = ['blockRed', 'blockBlue', 'blockGreen', 'blockYellow', 'blockPurple'];
+	var assetId = blockAssets[blockType || 0];
+	var blockGraphics = self.attachAsset(assetId, {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.blockType = blockType || 0;
+	self.isPlaced = false;
+	self.isStable = false;
+	self.velocityY = 0;
+	self.velocityX = 0;
+	self.gravity = 0.5;
+	self.friction = 0.98;
+	self.lastY = 0;
+	self.stableTimer = 0;
+	self.requiredStableTime = 30; // 0.5 seconds at 60fps
+	self.update = function () {
+		if (self.isPlaced && !self.isStable) {
+			// Apply gravity
+			self.velocityY += self.gravity;
+			// Apply velocity
+			self.x += self.velocityX;
+			self.y += self.velocityY;
+			// Ground collision
+			if (self.y > 2732 - 30) {
+				self.y = 2732 - 30;
+				self.velocityY = 0;
+				self.velocityX *= self.friction;
+			}
+			// Check collision with other blocks
+			self.checkBlockCollisions();
+			// Check if block is stable
+			if (Math.abs(self.velocityY) < 0.1 && Math.abs(self.velocityX) < 0.1) {
+				self.stableTimer++;
+				if (self.stableTimer >= self.requiredStableTime) {
+					self.isStable = true;
+					self.flashStable();
+				}
+			} else {
+				self.stableTimer = 0;
+			}
+			// Check if block fell off screen
+			if (self.y > 2800) {
+				self.triggerCollapse();
+			}
+		}
+		self.lastY = self.y;
+	};
+	self.checkBlockCollisions = function () {
+		for (var i = 0; i < placedBlocks.length; i++) {
+			var otherBlock = placedBlocks[i];
+			if (otherBlock !== self && self.intersects(otherBlock)) {
+				// Simple collision response
+				if (self.y < otherBlock.y) {
+					self.y = otherBlock.y - 60;
+					self.velocityY = 0;
+					self.velocityX *= self.friction;
+				}
+			}
+		}
+	};
+	self.flashStable = function () {
+		var originalTint = blockGraphics.tint;
+		tween(blockGraphics, {
+			tint: 0xffffff
+		}, {
+			duration: 200
+		});
+		tween(blockGraphics, {
+			tint: originalTint
+		}, {
+			duration: 200
+		});
+		LK.getSound('place').play();
+		// Award points
+		LK.setScore(LK.getScore() + 10);
+		scoreTxt.setText(LK.getScore());
+	};
+	self.triggerCollapse = function () {
+		gameOver = true;
+		LK.getSound('collapse').play();
+		LK.effects.flashScreen(0xff0000, 1000);
+		LK.setTimeout(function () {
+			LK.showGameOver();
+		}, 1000);
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x87ceeb
+});
+
+/**** 
+* Game Code
+****/ 
+var placedBlocks = [];
+var draggedBlock = null;
+var spawnTimer = 0;
+var spawnInterval = 180; // 3 seconds at 60fps
+var gameOver = false;
+// Create spawn area
+var spawnAreaGraphics = game.attachAsset('spawnArea', {
+	anchorX: 0,
+	anchorY: 0,
+	x: 0,
+	y: 2532
+});
+spawnAreaGraphics.alpha = 0.3;
+// Score display
+var scoreTxt = new Text2('0', {
+	size: 80,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+// Instructions
+var instructionTxt = new Text2('Drag blocks to build stable structures!', {
+	size: 50,
+	fill: 0xFFFFFF
+});
+instructionTxt.anchor.set(0.5, 0);
+instructionTxt.y = 100;
+LK.gui.top.addChild(instructionTxt);
+function spawnNewBlock() {
+	if (gameOver) return;
+	var blockType = Math.floor(Math.random() * 5);
+	var newBlock = new Block(blockType);
+	// Random position in spawn area
+	newBlock.x = 200 + Math.random() * (2048 - 400);
+	newBlock.y = 2632;
+	game.addChild(newBlock);
+	// Remove old blocks from spawn area if too many
+	var spawnBlocks = [];
+	for (var i = 0; i < game.children.length; i++) {
+		var child = game.children[i];
+		if (child instanceof Block && !child.isPlaced && child.y > 2500) {
+			spawnBlocks.push(child);
+		}
+	}
+	if (spawnBlocks.length > 5) {
+		var oldestBlock = spawnBlocks[0];
+		oldestBlock.destroy();
+	}
+}
+function handleMove(x, y, obj) {
+	if (draggedBlock && !gameOver) {
+		draggedBlock.x = x;
+		draggedBlock.y = y;
+	}
+}
+game.move = handleMove;
+game.down = function (x, y, obj) {
+	if (gameOver) return;
+	// Check if touching a block in spawn area
+	for (var i = game.children.length - 1; i >= 0; i--) {
+		var child = game.children[i];
+		if (child instanceof Block && !child.isPlaced) {
+			var localPos = child.toLocal({
+				x: x,
+				y: y
+			});
+			if (Math.abs(localPos.x) < 60 && Math.abs(localPos.y) < 30) {
+				draggedBlock = child;
+				break;
+			}
+		}
+	}
+};
+game.up = function (x, y, obj) {
+	if (draggedBlock && !gameOver) {
+		// Place the block
+		draggedBlock.isPlaced = true;
+		placedBlocks.push(draggedBlock);
+		// Give initial downward velocity
+		draggedBlock.velocityY = 2;
+		draggedBlock = null;
+	}
+};
+// Spawn first block
+spawnNewBlock();
+game.update = function () {
+	if (gameOver) return;
+	// Spawn new blocks
+	spawnTimer++;
+	if (spawnTimer >= spawnInterval) {
+		spawnNewBlock();
+		spawnTimer = 0;
+		// Gradually increase spawn rate
+		if (spawnInterval > 60) {
+			spawnInterval -= 2;
+		}
+	}
+	// Check for unstable structures
+	for (var i = placedBlocks.length - 1; i >= 0; i--) {
+		var block = placedBlocks[i];
+		if (block.y > 2800) {
+			// Remove from array
+			placedBlocks.splice(i, 1);
+		}
+	}
+	// Update score display
+	scoreTxt.setText('Score: ' + LK.getScore());
+};
\ No newline at end of file