===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,174 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Fish = Container.expand(function (fishType) {
+	var self = Container.call(this);
+	// Fish properties based on type
+	var fishData = {
+		common: {
+			asset: 'commonFish',
+			points: 1,
+			speed: 1
+		},
+		rare: {
+			asset: 'rareFish',
+			points: 3,
+			speed: 0.8
+		},
+		epic: {
+			asset: 'epicFish',
+			points: 7,
+			speed: 0.6
+		},
+		legendary: {
+			asset: 'legendaryFish',
+			points: 15,
+			speed: 0.4
+		}
+	};
+	self.fishType = fishType || 'common';
+	self.data = fishData[self.fishType];
+	var fishGraphics = self.attachAsset(self.data.asset, {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Swimming properties
+	self.baseSpeed = self.data.speed;
+	self.direction = Math.random() > 0.5 ? 1 : -1;
+	self.amplitude = 50 + Math.random() * 100;
+	self.frequency = 0.02 + Math.random() * 0.01;
+	self.timeOffset = Math.random() * Math.PI * 2;
+	self.collected = false;
+	// Start position
+	if (self.direction > 0) {
+		self.x = -100;
+		fishGraphics.scaleX = 1;
+	} else {
+		self.x = 2148;
+		fishGraphics.scaleX = -1;
+	}
+	self.y = 300 + Math.random() * 2132;
+	self.startY = self.y;
+	self.update = function () {
+		if (self.collected) return;
+		// Move horizontally
+		self.x += self.direction * self.baseSpeed * 2;
+		// Sine wave swimming motion
+		var time = LK.ticks * self.frequency + self.timeOffset;
+		self.y = self.startY + Math.sin(time) * self.amplitude;
+		// Remove if off screen
+		if (self.direction > 0 && self.x > 2148) {
+			self.markForRemoval = true;
+		} else if (self.direction < 0 && self.x < -100) {
+			self.markForRemoval = true;
+		}
+	};
+	self.down = function (x, y, obj) {
+		if (self.collected) return;
+		self.collected = true;
+		// Add points
+		LK.setScore(LK.getScore() + self.data.points);
+		// Play collect sound
+		LK.getSound('collect').play();
+		// Collection animation
+		tween(fishGraphics, {
+			scaleX: 0,
+			scaleY: 0,
+			alpha: 0
+		}, {
+			duration: 300,
+			easing: tween.easeOut,
+			onFinish: function onFinish() {
+				self.markForRemoval = true;
+			}
+		});
+		// Flash effect
+		LK.effects.flashObject(self, 0xFFFFFF, 200);
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
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+	backgroundColor: 0x87CEEB
+});
+
+/**** 
+* Game Code
+****/ 
+var activeFish = [];
+var spawnTimer = 0;
+var spawnRate = 120; // Spawn every 2 seconds at 60fps
+// Score display
+var scoreTxt = new Text2('Fish Collected: 0', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+// Fish unlock thresholds
+var unlockThresholds = {
+	rare: 10,
+	epic: 50,
+	legendary: 150
+};
+function getRandomFishType() {
+	var score = LK.getScore();
+	var fishTypes = ['common'];
+	if (score >= unlockThresholds.rare) fishTypes.push('rare');
+	if (score >= unlockThresholds.epic) fishTypes.push('epic');
+	if (score >= unlockThresholds.legendary) fishTypes.push('legendary');
+	// Weight probabilities (common is most likely)
+	var weights = [];
+	for (var i = 0; i < fishTypes.length; i++) {
+		if (fishTypes[i] === 'common') weights.push(70);else if (fishTypes[i] === 'rare') weights.push(20);else if (fishTypes[i] === 'epic') weights.push(8);else if (fishTypes[i] === 'legendary') weights.push(2);
+	}
+	var totalWeight = 0;
+	for (var j = 0; j < weights.length; j++) {
+		totalWeight += weights[j];
+	}
+	var random = Math.random() * totalWeight;
+	var currentWeight = 0;
+	for (var k = 0; k < weights.length; k++) {
+		currentWeight += weights[k];
+		if (random <= currentWeight) {
+			return fishTypes[k];
+		}
+	}
+	return 'common';
+}
+function spawnFish() {
+	var fishType = getRandomFishType();
+	var fish = new Fish(fishType);
+	activeFish.push(fish);
+	game.addChild(fish);
+}
+game.update = function () {
+	// Update score display
+	scoreTxt.setText('Fish Collected: ' + LK.getScore());
+	// Spawn fish
+	spawnTimer++;
+	if (spawnTimer >= spawnRate) {
+		spawnFish();
+		spawnTimer = 0;
+		// Gradually increase spawn rate as score increases
+		var baseRate = 120;
+		var speedBonus = Math.floor(LK.getScore() / 20) * 5;
+		spawnRate = Math.max(60, baseRate - speedBonus);
+	}
+	// Clean up fish that are marked for removal
+	for (var i = activeFish.length - 1; i >= 0; i--) {
+		var fish = activeFish[i];
+		if (fish.markForRemoval) {
+			fish.destroy();
+			activeFish.splice(i, 1);
+		}
+	}
+};
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