===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,266 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+var facekit = LK.import("@upit/facekit.v1");
+
+/**** 
+* Classes
+****/ 
+// Obstacle class: moves downward, destroys itself off-screen
+var Obstacle = Container.expand(function () {
+	var self = Container.call(this);
+	var obstacleSprite = self.attachAsset('obstacle', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Speed (randomized)
+	self.speed = 10 + Math.random() * 8;
+	// For collision detection
+	self.obstacleSprite = obstacleSprite;
+	self.update = function () {
+		self.y += self.speed;
+	};
+	return self;
+});
+// Player class: follows mouth position, shows shield if mouth open
+var Player = Container.expand(function () {
+	var self = Container.call(this);
+	// Player body
+	var playerSprite = self.attachAsset('player', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Shield (hidden by default)
+	var shieldSprite = self.attachAsset('shield', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		alpha: 0.0
+	});
+	// Show/hide shield
+	self.setShield = function (active) {
+		if (active) {
+			shieldSprite.alpha = 0.5;
+		} else {
+			shieldSprite.alpha = 0.0;
+		}
+	};
+	// For collision detection, expose playerSprite and shieldSprite
+	self.playerSprite = playerSprite;
+	self.shieldSprite = shieldSprite;
+	return self;
+});
+// Point class: moves downward, destroys itself off-screen
+var Point = Container.expand(function () {
+	var self = Container.call(this);
+	var pointSprite = self.attachAsset('point', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Speed (slower than obstacles)
+	self.speed = 7 + Math.random() * 4;
+	// For collision detection
+	self.pointSprite = pointSprite;
+	self.update = function () {
+		self.y += self.speed;
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x181c2c
+});
+
+/**** 
+* Game Code
+****/ 
+// Point: yellow ellipse
+// Obstacle: red box
+// Shield: semi-transparent cyan ellipse, slightly larger
+// Player character: blue ellipse
+// Game area: 2048x2732
+// Player starts at center
+var player = new Player();
+player.x = 2048 / 2;
+player.y = 2732 * 0.7;
+game.addChild(player);
+// Score display
+var score = 0;
+var scoreTxt = new Text2('0', {
+	size: 120,
+	fill: 0xFFF700
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+// Lives display
+var lives = 3;
+var livesTxt = new Text2('❤❤❤', {
+	size: 90,
+	fill: 0xFF3333
+});
+livesTxt.anchor.set(0.5, 0);
+LK.gui.topRight.addChild(livesTxt);
+// Arrays for obstacles and points
+var obstacles = [];
+var points = [];
+// Timers for spawning
+var obstacleTimer = 0;
+var pointTimer = 0;
+// Invulnerability after hit
+var invulnTicks = 0;
+var INVULN_DURATION = 60; // 1 second at 60fps
+// Helper: update lives text
+function updateLivesText() {
+	var s = '';
+	for (var i = 0; i < lives; i++) s += '❤';
+	livesTxt.setText(s);
+}
+// Helper: clamp player position inside game area
+function clampPlayerPosition() {
+	var r = 100;
+	if (player.x < r) player.x = r;
+	if (player.x > 2048 - r) player.x = 2048 - r;
+	if (player.y < r + 100) player.y = r + 100; // avoid top menu
+	if (player.y > 2732 - r) player.y = 2732 - r;
+}
+// Main update loop
+game.update = function () {
+	// 1. Update player position from facekit
+	var mouth = facekit.mouthCenter;
+	if (mouth && typeof mouth.x === 'number' && typeof mouth.y === 'number') {
+		// Smooth follow
+		player.x += (mouth.x - player.x) * 0.35;
+		player.y += (mouth.y - player.y) * 0.35;
+		clampPlayerPosition();
+	}
+	// 2. Shield: mouth open
+	var shieldActive = !!facekit.mouthOpen;
+	player.setShield(shieldActive);
+	// 3. Spawn obstacles
+	obstacleTimer--;
+	if (obstacleTimer <= 0) {
+		var obs = new Obstacle();
+		obs.x = 180 + Math.random() * (2048 - 360);
+		obs.y = -80;
+		obstacles.push(obs);
+		game.addChild(obs);
+		// Next spawn: 30-60 ticks
+		obstacleTimer = 30 + Math.floor(Math.random() * 30);
+	}
+	// 4. Spawn points
+	pointTimer--;
+	if (pointTimer <= 0) {
+		var pt = new Point();
+		pt.x = 180 + Math.random() * (2048 - 360);
+		pt.y = -60;
+		points.push(pt);
+		game.addChild(pt);
+		// Next spawn: 80-160 ticks
+		pointTimer = 80 + Math.floor(Math.random() * 80);
+	}
+	// 5. Update obstacles
+	for (var i = obstacles.length - 1; i >= 0; i--) {
+		var obs = obstacles[i];
+		obs.update();
+		// Remove if off-screen
+		if (obs.y > 2732 + 100) {
+			obs.destroy();
+			obstacles.splice(i, 1);
+			continue;
+		}
+		// Collision with player
+		var collides = obs.obstacleSprite.intersects(player.playerSprite);
+		if (collides) {
+			if (shieldActive || invulnTicks > 0) {
+				// Blocked: flash obstacle, destroy
+				tween(obs.obstacleSprite, {
+					alpha: 0
+				}, {
+					duration: 200,
+					onFinish: function onFinish() {
+						obs.destroy();
+					}
+				});
+				obstacles.splice(i, 1);
+				continue;
+			} else {
+				// Hit: lose life, invuln, flash player
+				lives--;
+				updateLivesText();
+				invulnTicks = INVULN_DURATION;
+				LK.effects.flashObject(player, 0xff0000, 600);
+				if (lives <= 0) {
+					LK.effects.flashScreen(0xff0000, 1000);
+					LK.showGameOver();
+					return;
+				}
+				// Remove obstacle
+				obs.destroy();
+				obstacles.splice(i, 1);
+				continue;
+			}
+		}
+	}
+	// 6. Update points
+	for (var j = points.length - 1; j >= 0; j--) {
+		var pt = points[j];
+		pt.update();
+		// Remove if off-screen
+		if (pt.y > 2732 + 80) {
+			pt.destroy();
+			points.splice(j, 1);
+			continue;
+		}
+		// Collision with player
+		var collides = pt.pointSprite.intersects(player.playerSprite);
+		if (collides) {
+			// Collect point
+			score += 1;
+			LK.setScore(score);
+			scoreTxt.setText(score);
+			// Flash point
+			tween(pt.pointSprite, {
+				alpha: 0
+			}, {
+				duration: 200,
+				onFinish: function onFinish() {
+					pt.destroy();
+				}
+			});
+			points.splice(j, 1);
+			continue;
+		}
+	}
+	// 7. Invulnerability timer
+	if (invulnTicks > 0) {
+		invulnTicks--;
+		// Flicker player
+		player.playerSprite.alpha = invulnTicks % 8 < 4 ? 0.4 : 1.0;
+	} else {
+		player.playerSprite.alpha = 1.0;
+	}
+};
+// On game start, reset everything
+function resetGame() {
+	score = 0;
+	LK.setScore(0);
+	scoreTxt.setText('0');
+	lives = 3;
+	updateLivesText();
+	invulnTicks = 0;
+	// Remove all obstacles and points
+	for (var i = 0; i < obstacles.length; i++) obstacles[i].destroy();
+	for (var j = 0; j < points.length; j++) points[j].destroy();
+	obstacles = [];
+	points = [];
+	// Reset player position
+	player.x = 2048 / 2;
+	player.y = 2732 * 0.7;
+	player.setShield(false);
+}
+resetGame();
+// No touch/mouse controls needed; all via facekit
+// End of MVP
\ No newline at end of file