===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,169 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var SoundCharacter = Container.expand(function (characterType) {
+	var self = Container.call(this);
+	self.characterType = characterType || 1;
+	self.points = self.characterType === 'special' ? 50 : self.characterType * 5;
+	self.lifetime = 0;
+	self.maxLifetime = self.characterType === 'special' ? 5000 : 8000;
+	self.isClicked = false;
+	var assetId = self.characterType === 'special' ? 'specialCharacter' : 'character' + self.characterType;
+	var characterGraphics = self.attachAsset(assetId, {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.spawn = function () {
+		var margin = 100;
+		self.x = margin + Math.random() * (2048 - margin * 2);
+		self.y = margin + Math.random() * (2732 - margin * 2);
+		self.alpha = 0;
+		tween(self, {
+			alpha: 1,
+			scaleX: 1.2,
+			scaleY: 1.2
+		}, {
+			duration: 300,
+			easing: tween.easeOut,
+			onFinish: function onFinish() {
+				tween(self, {
+					scaleX: 1,
+					scaleY: 1
+				}, {
+					duration: 200
+				});
+			}
+		});
+	};
+	self.playSound = function () {
+		var soundId = self.characterType === 'special' ? 'specialSound' : 'sound' + self.characterType;
+		LK.getSound(soundId).play();
+	};
+	self.update = function () {
+		self.lifetime += 16;
+		if (self.lifetime >= self.maxLifetime && !self.isClicked) {
+			self.fadeOut();
+		}
+	};
+	self.fadeOut = function () {
+		if (self.isClicked) return;
+		tween(self, {
+			alpha: 0,
+			scaleX: 0.5,
+			scaleY: 0.5
+		}, {
+			duration: 300,
+			onFinish: function onFinish() {
+				self.removeFromGame();
+			}
+		});
+	};
+	self.removeFromGame = function () {
+		for (var i = characters.length - 1; i >= 0; i--) {
+			if (characters[i] === self) {
+				characters.splice(i, 1);
+				break;
+			}
+		}
+		self.destroy();
+	};
+	self.down = function (x, y, obj) {
+		if (self.isClicked) return;
+		self.isClicked = true;
+		self.playSound();
+		LK.setScore(LK.getScore() + self.points);
+		scoreTxt.setText(LK.getScore());
+		LK.effects.flashObject(self, 0xffffff, 200);
+		tween(self, {
+			scaleX: 1.5,
+			scaleY: 1.5
+		}, {
+			duration: 150,
+			easing: tween.easeOut,
+			onFinish: function onFinish() {
+				tween(self, {
+					alpha: 0,
+					scaleX: 0.3,
+					scaleY: 0.3
+				}, {
+					duration: 200,
+					onFinish: function onFinish() {
+						self.removeFromGame();
+					}
+				});
+			}
+		});
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x2c3e50
+});
+
+/**** 
+* Game Code
+****/ 
+var characters = [];
+var spawnTimer = 0;
+var spawnInterval = 2000;
+var minSpawnInterval = 800;
+var speedIncreaseRate = 0.98;
+var lastSpeedIncrease = 0;
+var scoreTxt = new Text2('0', {
+	size: 80,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+function spawnCharacter() {
+	var characterType;
+	var random = Math.random();
+	if (random < 0.05) {
+		characterType = 'special';
+	} else if (random < 0.25) {
+		characterType = 5;
+	} else if (random < 0.45) {
+		characterType = 4;
+	} else if (random < 0.65) {
+		characterType = 3;
+	} else if (random < 0.85) {
+		characterType = 2;
+	} else {
+		characterType = 1;
+	}
+	var character = new SoundCharacter(characterType);
+	characters.push(character);
+	game.addChild(character);
+	character.spawn();
+}
+function updateDifficulty() {
+	var currentTime = LK.ticks * 16;
+	if (currentTime - lastSpeedIncrease > 10000) {
+		spawnInterval = Math.max(minSpawnInterval, spawnInterval * speedIncreaseRate);
+		lastSpeedIncrease = currentTime;
+	}
+}
+game.update = function () {
+	spawnTimer += 16;
+	if (spawnTimer >= spawnInterval) {
+		spawnCharacter();
+		spawnTimer = 0;
+	}
+	updateDifficulty();
+	for (var i = characters.length - 1; i >= 0; i--) {
+		var character = characters[i];
+		if (character && character.update) {
+			character.update();
+		}
+	}
+};
+spawnCharacter();
\ No newline at end of file