===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,201 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Balloon = Container.expand(function () {
+	var self = Container.call(this);
+	var balloonGraphics = self.attachAsset('balloon', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = -2;
+	self.isCaught = false;
+	self.update = function () {
+		if (!self.isCaught) {
+			self.y += self.speed;
+			if (self.y < -200) {
+				self.y = 2732 + 200;
+			}
+		}
+	};
+	self["catch"] = function () {
+		self.isCaught = true;
+		tween(self, {
+			y: 2400
+		}, {
+			duration: 1000,
+			easing: tween.easeOut,
+			onFinish: function onFinish() {
+				self.isCaught = false;
+				self.speed *= 1.1;
+			}
+		});
+	};
+	return self;
+});
+var CallButton = Container.expand(function (color, action) {
+	var self = Container.call(this);
+	var buttonGraphics = self.attachAsset(color + 'Button', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.down = function () {
+		action();
+		tween(self, {
+			scaleX: 0.9,
+			scaleY: 0.9
+		}, {
+			duration: 100
+		});
+	};
+	self.up = function () {
+		tween(self, {
+			scaleX: 1,
+			scaleY: 1
+		}, {
+			duration: 100
+		});
+	};
+	return self;
+});
+var PowerpuffGirl = Container.expand(function (color, xPos) {
+	var self = Container.call(this);
+	var girlGraphics = self.attachAsset(color, {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.isFlying = false;
+	self.targetY = 0;
+	self.down = function () {
+		if (!self.isFlying && balloon) {
+			self.isFlying = true;
+			self.targetY = balloon.y;
+			tween(self, {
+				y: self.targetY
+			}, {
+				duration: 800,
+				easing: tween.easeInOut,
+				onFinish: function onFinish() {
+					if (self.intersects(balloon)) {
+						balloon["catch"]();
+						LK.setScore(LK.getScore() + 1);
+						scoreTxt.setText(LK.getScore());
+					}
+					tween(self, {
+						y: 2200
+					}, {
+						duration: 600,
+						easing: tween.easeIn,
+						onFinish: function onFinish() {
+							self.isFlying = false;
+						}
+					});
+				}
+			});
+		}
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
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+	backgroundColor: 0x87ceeb
+});
+
+/**** 
+* Game Code
+****/ 
+var balloon;
+var moon;
+var greenButton;
+var redButton;
+var blossom;
+var bubbles;
+var buttercup;
+var girlsActive = false;
+var scoreTxt;
+moon = LK.getAsset('moon', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: 1024,
+	y: 300
+});
+game.addChild(moon);
+balloon = new Balloon();
+balloon.x = 1024;
+balloon.y = 2400;
+game.addChild(balloon);
+function showPowerpuffGirls() {
+	if (girlsActive) return;
+	girlsActive = true;
+	blossom = new PowerpuffGirl('blossom');
+	blossom.x = 624;
+	blossom.y = 2200;
+	game.addChild(blossom);
+	bubbles = new PowerpuffGirl('bubbles');
+	bubbles.x = 1024;
+	bubbles.y = 2200;
+	game.addChild(bubbles);
+	buttercup = new PowerpuffGirl('buttercup');
+	buttercup.x = 1424;
+	buttercup.y = 2200;
+	game.addChild(buttercup);
+	tween(blossom, {
+		scaleX: 1,
+		scaleY: 1
+	}, {
+		duration: 300,
+		easing: tween.bounceOut
+	});
+	tween(bubbles, {
+		scaleX: 1,
+		scaleY: 1
+	}, {
+		duration: 300,
+		easing: tween.bounceOut
+	});
+	tween(buttercup, {
+		scaleX: 1,
+		scaleY: 1
+	}, {
+		duration: 300,
+		easing: tween.bounceOut
+	});
+}
+function hidePowerpuffGirls() {
+	if (!girlsActive) return;
+	girlsActive = false;
+	if (blossom) {
+		blossom.destroy();
+		blossom = null;
+	}
+	if (bubbles) {
+		bubbles.destroy();
+		bubbles = null;
+	}
+	if (buttercup) {
+		buttercup.destroy();
+		buttercup = null;
+	}
+}
+greenButton = new CallButton('green', showPowerpuffGirls);
+greenButton.x = 512;
+greenButton.y = 2532;
+game.addChild(greenButton);
+redButton = new CallButton('red', hidePowerpuffGirls);
+redButton.x = 1536;
+redButton.y = 2532;
+game.addChild(redButton);
+scoreTxt = new Text2('0', {
+	size: 120,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+game.update = function () {};
\ No newline at end of file