===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,305 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+var storage = LK.import("@upit/storage.v1");
+
+/**** 
+* Classes
+****/ 
+var Gun = Container.expand(function (tier) {
+	var self = Container.call(this);
+	self.tier = tier || 1;
+	self.income = self.tier * 10;
+	self.value = self.tier * 100;
+	self.lastIncomeTime = Date.now();
+	var gunAssetId = 'gun' + Math.min(self.tier, 5);
+	self.gunGraphics = self.attachAsset(gunAssetId, {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.tierText = new Text2(self.tier.toString(), {
+		size: 24,
+		fill: 0xFFFFFF
+	});
+	self.tierText.anchor.set(0.5, 0.5);
+	self.tierText.x = 0;
+	self.tierText.y = -50;
+	self.addChild(self.tierText);
+	self.isDragging = false;
+	self.startDragPos = {
+		x: 0,
+		y: 0
+	};
+	self.originalSlot = null;
+	self.generateIncome = function () {
+		var now = Date.now();
+		if (now - self.lastIncomeTime >= 2000) {
+			money += self.income;
+			self.lastIncomeTime = now;
+			LK.getSound('earnMoney').play();
+			var incomeText = new Text2('+$' + self.income, {
+				size: 20,
+				fill: 0x00FF00
+			});
+			incomeText.anchor.set(0.5, 0.5);
+			incomeText.x = self.x;
+			incomeText.y = self.y - 60;
+			game.addChild(incomeText);
+			tween(incomeText, {
+				y: incomeText.y - 50,
+				alpha: 0
+			}, {
+				duration: 1500,
+				onFinish: function onFinish() {
+					incomeText.destroy();
+				}
+			});
+		}
+	};
+	self.update = function () {
+		self.generateIncome();
+	};
+	self.down = function (x, y, obj) {
+		self.isDragging = true;
+		self.startDragPos = {
+			x: x,
+			y: y
+		};
+		self.alpha = 0.7;
+		draggedGun = self;
+		if (self.originalSlot) {
+			self.originalSlot.occupiedBy = null;
+			self.originalSlot = null;
+		}
+	};
+	return self;
+});
+var GunSlot = Container.expand(function (slotX, slotY) {
+	var self = Container.call(this);
+	self.x = slotX;
+	self.y = slotY;
+	self.occupiedBy = null;
+	self.slotGraphics = self.attachAsset('gunSlot', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		alpha: 0.3
+	});
+	self.canAcceptGun = function (gun) {
+		return self.occupiedBy === null;
+	};
+	self.placeGun = function (gun) {
+		if (self.canAcceptGun(gun)) {
+			self.occupiedBy = gun;
+			gun.originalSlot = self;
+			gun.x = self.x;
+			gun.y = self.y;
+			gun.alpha = 1.0;
+			return true;
+		}
+		return false;
+	};
+	self.checkForMerge = function (newGun) {
+		if (self.occupiedBy && self.occupiedBy.tier === newGun.tier) {
+			var oldGun = self.occupiedBy;
+			self.occupiedBy = null;
+			var mergedTier = oldGun.tier + 1;
+			var mergedGun = new Gun(mergedTier);
+			oldGun.destroy();
+			newGun.destroy();
+			self.placeGun(mergedGun);
+			game.addChild(mergedGun);
+			var mergeEffect = LK.getAsset('mergeEffect', {
+				anchorX: 0.5,
+				anchorY: 0.5,
+				alpha: 0.8
+			});
+			mergeEffect.x = self.x;
+			mergeEffect.y = self.y;
+			game.addChild(mergeEffect);
+			tween(mergeEffect, {
+				scaleX: 1.5,
+				scaleY: 1.5,
+				alpha: 0
+			}, {
+				duration: 800,
+				onFinish: function onFinish() {
+					mergeEffect.destroy();
+				}
+			});
+			LK.getSound('mergeGun').play();
+			return true;
+		}
+		return false;
+	};
+	return self;
+});
+var ShopButton = Container.expand(function () {
+	var self = Container.call(this);
+	self.buttonGraphics = self.attachAsset('shopButton', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.buttonText = new Text2('Buy Gun\n$100', {
+		size: 28,
+		fill: 0xFFFFFF
+	});
+	self.buttonText.anchor.set(0.5, 0.5);
+	self.addChild(self.buttonText);
+	self.updatePrice = function () {
+		var price = 100 * Math.pow(1.5, gunsOwned);
+		self.buttonText.setText('Buy Gun\n$' + Math.floor(price));
+		if (money >= price) {
+			self.alpha = 1.0;
+		} else {
+			self.alpha = 0.6;
+		}
+	};
+	self.down = function (x, y, obj) {
+		var price = 100 * Math.pow(1.5, gunsOwned);
+		if (money >= price) {
+			money -= price;
+			gunsOwned++;
+			var newGun = new Gun(1);
+			var placed = false;
+			for (var i = 0; i < gunSlots.length; i++) {
+				if (gunSlots[i].placeGun(newGun)) {
+					game.addChild(newGun);
+					placed = true;
+					break;
+				}
+			}
+			if (placed) {
+				LK.getSound('buyGun').play();
+				self.updatePrice();
+				tween(newGun, {
+					scaleX: 1.2,
+					scaleY: 1.2
+				}, {
+					duration: 300,
+					onFinish: function onFinish() {
+						tween(newGun, {
+							scaleX: 1.0,
+							scaleY: 1.0
+						}, {
+							duration: 200
+						});
+					}
+				});
+			} else {
+				money += price;
+				gunsOwned--;
+				newGun.destroy();
+			}
+		}
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
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+	backgroundColor: 0x1a1a2e
+});
+
+/**** 
+* Game Code
+****/ 
+var money = storage.money || 500;
+var gunsOwned = storage.gunsOwned || 0;
+var gunSlots = [];
+var draggedGun = null;
+var moneyText = new Text2('$' + money, {
+	size: 60,
+	fill: 0xFFD700
+});
+moneyText.anchor.set(0.5, 0);
+LK.gui.top.addChild(moneyText);
+var titleText = new Text2('Gun Merger Tycoon', {
+	size: 48,
+	fill: 0xFFFFFF
+});
+titleText.anchor.set(0.5, 0);
+titleText.x = 2048 / 2;
+titleText.y = 100;
+game.addChild(titleText);
+for (var row = 0; row < 4; row++) {
+	for (var col = 0; col < 5; col++) {
+		var slotX = 300 + col * 160;
+		var slotY = 400 + row * 120;
+		var slot = new GunSlot(slotX, slotY);
+		gunSlots.push(slot);
+		game.addChild(slot);
+	}
+}
+var shopButton = new ShopButton();
+shopButton.x = 2048 / 2;
+shopButton.y = 900;
+game.addChild(shopButton);
+if (gunsOwned === 0) {
+	for (var i = 0; i < 3; i++) {
+		var starterGun = new Gun(1);
+		if (gunSlots[i].placeGun(starterGun)) {
+			game.addChild(starterGun);
+			gunsOwned++;
+		}
+	}
+}
+game.move = function (x, y, obj) {
+	if (draggedGun) {
+		draggedGun.x = x;
+		draggedGun.y = y;
+	}
+};
+game.up = function (x, y, obj) {
+	if (draggedGun) {
+		var gun = draggedGun;
+		var placed = false;
+		for (var i = 0; i < gunSlots.length; i++) {
+			var slot = gunSlots[i];
+			var distance = Math.sqrt(Math.pow(gun.x - slot.x, 2) + Math.pow(gun.y - slot.y, 2));
+			if (distance < 80) {
+				if (slot.checkForMerge(gun)) {
+					placed = true;
+					break;
+				} else if (slot.placeGun(gun)) {
+					placed = true;
+					break;
+				}
+			}
+		}
+		if (!placed && gun.originalSlot && gun.originalSlot.canAcceptGun(gun)) {
+			gun.originalSlot.placeGun(gun);
+			placed = true;
+		}
+		if (!placed) {
+			var nearestSlot = null;
+			var nearestDistance = Infinity;
+			for (var i = 0; i < gunSlots.length; i++) {
+				if (gunSlots[i].canAcceptGun(gun)) {
+					var distance = Math.sqrt(Math.pow(gun.x - gunSlots[i].x, 2) + Math.pow(gun.y - gunSlots[i].y, 2));
+					if (distance < nearestDistance) {
+						nearestDistance = distance;
+						nearestSlot = gunSlots[i];
+					}
+				}
+			}
+			if (nearestSlot) {
+				nearestSlot.placeGun(gun);
+			}
+		}
+		gun.alpha = 1.0;
+		gun.isDragging = false;
+		draggedGun = null;
+	}
+};
+game.update = function () {
+	moneyText.setText('$' + Math.floor(money));
+	shopButton.updatePrice();
+	storage.money = money;
+	storage.gunsOwned = gunsOwned;
+	if (LK.ticks % 120 === 0) {
+		money += 5;
+	}
+};
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