===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,318 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+// Bird class
+var Bird = Container.expand(function () {
+	var self = Container.call(this);
+	// Bird types
+	var birdTypes = [{
+		id: 'birdFalcon',
+		name: 'Falcon'
+	}, {
+		id: 'birdEagle',
+		name: 'Eagle'
+	}, {
+		id: 'birdChough',
+		name: 'Chough'
+	}, {
+		id: 'birdRobin',
+		name: 'Robin'
+	}, {
+		id: 'birdStork',
+		name: 'Stork'
+	}, {
+		id: 'birdDuck',
+		name: 'Duck'
+	}, {
+		id: 'birdMacaw',
+		name: 'Macaw'
+	}, {
+		id: 'birdSeagull',
+		name: 'Seagull'
+	}, {
+		id: 'birdHummingbird',
+		name: 'Hummingbird'
+	}, {
+		id: 'birdSwan',
+		name: 'Swan'
+	}];
+	// Pick a random type
+	var typeIndex = Math.floor(Math.random() * birdTypes.length);
+	var type = birdTypes[typeIndex];
+	self.birdType = type.name;
+	// Main body
+	var body = self.attachAsset(type.id, {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Beak (right side)
+	self.attachAsset('birdBeak', {
+		anchorX: 0.1,
+		anchorY: 0.5,
+		x: body.width / 2 + 8,
+		y: 0,
+		rotation: 0.1
+	});
+	// Eye
+	self.attachAsset('birdEye', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		x: body.width / 4,
+		y: -body.height / 6
+	});
+	// For movement
+	self.speed = 6 + Math.random() * 4; // px per frame
+	self.dir = Math.random() < 0.5 ? 1 : -1; // left or right
+	self.vy = -2 + Math.random() * 4; // up or down
+	self.osc = Math.random() * Math.PI * 2; // for wavy movement
+	// For respawn
+	self.respawn = function () {
+		self.dir = Math.random() < 0.5 ? 1 : -1;
+		self.speed = 6 + Math.random() * 4;
+		self.vy = -2 + Math.random() * 4;
+		self.osc = Math.random() * Math.PI * 2;
+		// Start off-screen
+		if (self.dir === 1) {
+			self.x = -body.width - 20;
+		} else {
+			self.x = 2048 + body.width + 20;
+		}
+		self.y = 400 + Math.random() * (2732 - 800);
+		self.rotation = self.dir === 1 ? 0 : Math.PI;
+	};
+	self.respawn();
+	// Animate
+	self.update = function () {
+		self.x += self.speed * self.dir;
+		self.y += self.vy + Math.sin(LK.ticks / 20 + self.osc) * 2;
+		// If off screen, respawn
+		if (self.dir === 1 && self.x > 2048 + 100 || self.dir === -1 && self.x < -100) {
+			self.respawn();
+		}
+	};
+	return self;
+});
+// Crab class (player)
+var Crab = Container.expand(function () {
+	var self = Container.call(this);
+	// Body
+	var body = self.attachAsset('crabBody', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Tummy (centered)
+	var tummy = self.attachAsset('crabTummy', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		y: 30
+	});
+	self.tummy = tummy;
+	// Eyes
+	var eyeL = self.attachAsset('crabEye', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		x: -50,
+		y: -40
+	});
+	var eyeR = self.attachAsset('crabEye', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		x: 50,
+		y: -40
+	});
+	var pupilL = self.attachAsset('crabPupil', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		x: -50,
+		y: -40
+	});
+	var pupilR = self.attachAsset('crabPupil', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		x: 50,
+		y: -40
+	});
+	// Mouth
+	self.attachAsset('crabMouth', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		y: 25
+	});
+	// Claws
+	self.attachAsset('crabClaw', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		x: -110,
+		y: 10,
+		rotation: -0.5
+	});
+	self.attachAsset('crabClaw', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		x: 110,
+		y: 10,
+		rotation: 0.5
+	});
+	// Legs (3 left, 3 right)
+	for (var i = 0; i < 3; i++) {
+		self.attachAsset('crabLeg', {
+			anchorX: 0.5,
+			anchorY: 0.1,
+			x: -90 - i * 20,
+			y: 60 + i * 10,
+			rotation: -0.3 + i * 0.2
+		});
+		self.attachAsset('crabLeg', {
+			anchorX: 0.5,
+			anchorY: 0.1,
+			x: 90 + i * 20,
+			y: 60 + i * 10,
+			rotation: 0.3 - i * 0.2
+		});
+	}
+	// For dragging
+	self.isDragging = false;
+	// For a little smug animation
+	self.smugTimer = 0;
+	// Animate pupils to look at last bird
+	self.lookAt = function (x, y) {
+		var dxL = x - (self.x - 50);
+		var dyL = y - (self.y - 40);
+		var dxR = x - (self.x + 50);
+		var dyR = y - (self.y - 40);
+		var magL = Math.sqrt(dxL * dxL + dyL * dyL);
+		var magR = Math.sqrt(dxR * dxR + dyR * dyR);
+		var maxDist = 8;
+		pupilL.x = -50 + (magL > 0 ? dxL / magL * maxDist : 0);
+		pupilL.y = -40 + (magL > 0 ? dyL / magL * maxDist : 0);
+		pupilR.x = 50 + (magR > 0 ? dxR / magR * maxDist : 0);
+		pupilR.y = -40 + (magR > 0 ? dyR / magR * maxDist : 0);
+	};
+	// Animate smug bounce
+	self.update = function () {
+		self.smugTimer += 0.05;
+		self.scaleX = 1 + Math.sin(self.smugTimer) * 0.03;
+		self.scaleY = 1 + Math.cos(self.smugTimer) * 0.03;
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0xf7e7b6 // Pale sand
+});
+
+/**** 
+* Game Code
+****/ 
+// Sound
+// Bird beak and eye (for all birds)
+// Bird types (use different colors for each)
+// Crab (player)
+// Center crab horizontally, near bottom
+var crab = new Crab();
+crab.x = 2048 / 2;
+crab.y = 2732 - 350;
+game.addChild(crab);
+// Birds array
+var birds = [];
+var NUM_BIRDS = 4;
+for (var i = 0; i < NUM_BIRDS; i++) {
+	var b = new Bird();
+	birds.push(b);
+	game.addChild(b);
+}
+// Score
+var scoreTxt = new Text2('0', {
+	size: 120,
+	fill: 0xFF6F3C
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+// Tummy text (always empty)
+var tummyTxt = new Text2('Tummy: Empty', {
+	size: 60,
+	fill: 0x7A2E00
+});
+tummyTxt.anchor.set(0.5, 0.5);
+tummyTxt.x = 2048 / 2;
+tummyTxt.y = 2732 - 120;
+LK.gui.addChild(tummyTxt);
+// Dragging
+var dragNode = null;
+function handleMove(x, y, obj) {
+	if (dragNode) {
+		// Clamp crab inside game area
+		var crabW = crab.width / 2;
+		var crabH = crab.height / 2;
+		var minX = crabW + 40;
+		var maxX = 2048 - crabW - 40;
+		var minY = crabH + 40;
+		var maxY = 2732 - crabH - 40;
+		crab.x = Math.max(minX, Math.min(maxX, x));
+		crab.y = Math.max(minY, Math.min(maxY, y));
+	}
+}
+game.move = handleMove;
+game.down = function (x, y, obj) {
+	// Only start drag if not in top left 100x100
+	if (x > 100 || y > 100) {
+		dragNode = crab;
+		handleMove(x, y, obj);
+	}
+};
+game.up = function (x, y, obj) {
+	dragNode = null;
+};
+// Main update
+game.update = function () {
+	// Animate crab
+	crab.update();
+	// Animate birds
+	for (var i = 0; i < birds.length; i++) {
+		birds[i].update();
+	}
+	// Check for collisions
+	for (var i = 0; i < birds.length; i++) {
+		var bird = birds[i];
+		// Only check if bird is on screen
+		if (bird.x > -150 && bird.x < 2048 + 150 && bird.y > 0 && bird.y < 2732) {
+			if (crab.intersects(bird)) {
+				// Paradox: bird is caught, but not really
+				LK.setScore(LK.getScore() + 1);
+				scoreTxt.setText(LK.getScore());
+				// Play sound
+				LK.getSound('catch').play();
+				// Animate crab tummy (flash)
+				LK.effects.flashObject(crab.tummy, 0xffe066, 400);
+				// Animate bird (fade out and respawn)
+				tween(bird, {
+					alpha: 0
+				}, {
+					duration: 200,
+					easing: tween.easeIn,
+					onFinish: function onFinish() {
+						bird.alpha = 1;
+						bird.respawn();
+					}
+				});
+				// Animate crab eyes to look at bird
+				crab.lookAt(bird.x, bird.y);
+				// Tummy always empty
+				tummyTxt.setText('Tummy: Empty');
+			}
+		}
+	}
+};
+// Set initial score
+LK.setScore(0);
+scoreTxt.setText('0');
+// Set initial tummy text
+tummyTxt.setText('Tummy: Empty');
\ No newline at end of file