===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,276 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Item = Container.expand(function (itemType, enhanceLevel) {
+	var self = Container.call(this);
+	self.itemType = itemType || 'sword';
+	self.enhanceLevel = enhanceLevel || 0;
+	self.originalX = 0;
+	self.originalY = 0;
+	self.isDragging = false;
+	// Create item graphics based on type
+	var itemGraphics = self.attachAsset(self.itemType, {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Enhancement level text
+	self.levelText = new Text2('+' + self.enhanceLevel, {
+		size: 40,
+		fill: 0xFFD700
+	});
+	self.levelText.anchor.set(0.5, 0.5);
+	self.levelText.x = 0;
+	self.levelText.y = -itemGraphics.height / 2 - 30;
+	self.addChild(self.levelText);
+	if (self.enhanceLevel === 0) {
+		self.levelText.visible = false;
+	}
+	self.updateEnhanceLevel = function (newLevel) {
+		self.enhanceLevel = newLevel;
+		if (self.enhanceLevel === 0) {
+			self.levelText.visible = false;
+		} else {
+			self.levelText.visible = true;
+			self.levelText.setText('+' + self.enhanceLevel);
+		}
+	};
+	self.setOriginalPosition = function (x, y) {
+		self.originalX = x;
+		self.originalY = y;
+	};
+	self.returnToOriginalPosition = function () {
+		tween(self, {
+			x: self.originalX,
+			y: self.originalY
+		}, {
+			duration: 300
+		});
+	};
+	self.down = function (x, y, obj) {
+		self.isDragging = true;
+		draggedItem = self;
+	};
+	self.up = function (x, y, obj) {
+		self.isDragging = false;
+		draggedItem = null;
+	};
+	return self;
+});
+var UpgradeEffect = Container.expand(function () {
+	var self = Container.call(this);
+	var glowEffect = self.attachAsset('upgrade_glow', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	glowEffect.alpha = 0;
+	glowEffect.scaleX = 0.5;
+	glowEffect.scaleY = 0.5;
+	self.playSuccessEffect = function () {
+		glowEffect.alpha = 1;
+		glowEffect.scaleX = 0.5;
+		glowEffect.scaleY = 0.5;
+		tween(glowEffect, {
+			alpha: 0,
+			scaleX: 2,
+			scaleY: 2
+		}, {
+			duration: 1000,
+			easing: tween.easeOut
+		});
+	};
+	self.playFailEffect = function () {
+		glowEffect.alpha = 0.5;
+		glowEffect.scaleX = 1;
+		glowEffect.scaleY = 1;
+		tween(glowEffect, {
+			alpha: 0
+		}, {
+			duration: 500,
+			easing: tween.easeOut
+		});
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x2F4F4F
+});
+
+/**** 
+* Game Code
+****/ 
+var inventoryPanel = game.addChild(LK.getAsset('inventory_panel', {
+	anchorX: 0.5,
+	anchorY: 0,
+	x: 1024,
+	y: 100
+}));
+var anvilArea = game.addChild(LK.getAsset('anvil_area', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: 1024,
+	y: 1500
+}));
+var upgradeEffect = game.addChild(new UpgradeEffect());
+upgradeEffect.x = 1024;
+upgradeEffect.y = 1500;
+// Create inventory items
+var inventoryItems = [];
+var itemTypes = ['sword', 'armor', 'helmet', 'shield', 'ring'];
+var itemsPerRow = 5;
+var startX = 1024 - (itemsPerRow - 1) * 160 / 2;
+var startY = 200;
+for (var i = 0; i < 15; i++) {
+	var itemType = itemTypes[i % itemTypes.length];
+	var item = new Item(itemType, 0);
+	var row = Math.floor(i / itemsPerRow);
+	var col = i % itemsPerRow;
+	item.x = startX + col * 160;
+	item.y = startY + row * 140;
+	item.setOriginalPosition(item.x, item.y);
+	inventoryItems.push(item);
+	game.addChild(item);
+}
+// Game variables
+var draggedItem = null;
+var totalUpgrades = 0;
+var successfulUpgrades = 0;
+var maxItems = 15;
+// UI Elements
+var scoreTxt = new Text2('Upgrades: 0', {
+	size: 80,
+	fill: 0xFFD700
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+var instructionTxt = new Text2('Drag items to anvil to upgrade', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+instructionTxt.anchor.set(0.5, 0);
+instructionTxt.x = 1024;
+instructionTxt.y = 50;
+game.addChild(instructionTxt);
+// Upgrade success rates based on level
+var upgradeRates = {
+	0: 0.95,
+	// +0 to +1
+	1: 0.85,
+	// +1 to +2
+	2: 0.75,
+	// +2 to +3
+	3: 0.65,
+	// +3 to +4
+	4: 0.50,
+	// +4 to +5
+	5: 0.35,
+	// +5 to +6
+	6: 0.20,
+	// +6 to +7
+	7: 0.10 // +7 to +8
+};
+function attemptUpgrade(item) {
+	if (item.enhanceLevel >= 8) {
+		return; // Max level reached
+	}
+	var successRate = upgradeRates[item.enhanceLevel];
+	var success = Math.random() < successRate;
+	if (success) {
+		// Successful upgrade
+		item.updateEnhanceLevel(item.enhanceLevel + 1);
+		upgradeEffect.playSuccessEffect();
+		LK.getSound('upgrade_success').play();
+		successfulUpgrades++;
+		// Update score
+		LK.setScore(successfulUpgrades);
+		scoreTxt.setText('Upgrades: ' + successfulUpgrades);
+		// Win condition
+		if (successfulUpgrades >= 20) {
+			LK.showYouWin();
+		}
+	} else {
+		// Failed upgrade
+		upgradeEffect.playFailEffect();
+		LK.getSound('upgrade_fail').play();
+		// Chance to downgrade or destroy
+		if (item.enhanceLevel > 0) {
+			var downgradeChance = 0.3 + item.enhanceLevel * 0.1;
+			if (Math.random() < downgradeChance) {
+				if (Math.random() < 0.5 && item.enhanceLevel > 3) {
+					// Destroy item (remove from inventory)
+					var itemIndex = inventoryItems.indexOf(item);
+					if (itemIndex > -1) {
+						inventoryItems.splice(itemIndex, 1);
+						item.destroy();
+						maxItems--;
+						// Check if no items left
+						if (maxItems <= 0) {
+							LK.setTimeout(function () {
+								LK.showGameOver();
+							}, 1000);
+						}
+					}
+				} else {
+					// Downgrade
+					item.updateEnhanceLevel(Math.max(0, item.enhanceLevel - 1));
+				}
+			}
+		}
+	}
+	totalUpgrades++;
+}
+function isItemInAnvilArea(item) {
+	var anvilBounds = {
+		left: anvilArea.x - anvilArea.width / 2,
+		right: anvilArea.x + anvilArea.width / 2,
+		top: anvilArea.y - anvilArea.height / 2,
+		bottom: anvilArea.y + anvilArea.height / 2
+	};
+	return item.x >= anvilBounds.left && item.x <= anvilBounds.right && item.y >= anvilBounds.top && item.y <= anvilBounds.bottom;
+}
+// Game event handlers
+game.move = function (x, y, obj) {
+	if (draggedItem) {
+		draggedItem.x = x;
+		draggedItem.y = y;
+	}
+};
+game.down = function (x, y, obj) {
+	// Check if clicking on anvil area with an item
+	if (isItemInAnvilArea({
+		x: x,
+		y: y
+	})) {
+		for (var i = 0; i < inventoryItems.length; i++) {
+			var item = inventoryItems[i];
+			if (isItemInAnvilArea(item)) {
+				attemptUpgrade(item);
+				item.returnToOriginalPosition();
+				break;
+			}
+		}
+	}
+};
+game.up = function (x, y, obj) {
+	if (draggedItem) {
+		if (isItemInAnvilArea(draggedItem)) {
+			attemptUpgrade(draggedItem);
+		}
+		draggedItem.returnToOriginalPosition();
+		draggedItem = null;
+	}
+};
+game.update = function () {
+	// Update game state
+	if (totalUpgrades > 50 && successfulUpgrades < 5) {
+		LK.showGameOver();
+	}
+};
\ No newline at end of file