===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,278 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Enemy = Container.expand(function (type) {
+	var self = Container.call(this);
+	var assetName = type === 'armored' ? 'armoredEnemy' : 'basicEnemy';
+	var enemyGraphics = self.attachAsset(assetName, {
+		anchorX: 0.5,
+		anchorY: 1.0
+	});
+	self.type = type || 'basic';
+	self.speed = type === 'armored' ? -3 : -4;
+	self.maxHealth = type === 'armored' ? 3 : 1;
+	self.health = self.maxHealth;
+	self.damage = type === 'armored' ? 30 : 20;
+	self.points = type === 'armored' ? 30 : 10;
+	self.takeDamage = function (damage) {
+		self.health -= damage;
+		LK.effects.flashObject(self, 0xffffff, 200);
+		LK.getSound('enemyHit').play();
+		if (self.health <= 0) {
+			// Award points
+			LK.setScore(LK.getScore() + self.points);
+			// Chance to drop power-up
+			if (Math.random() < 0.15) {
+				var powerUp = game.addChild(new PowerUp());
+				powerUp.x = self.x;
+				powerUp.y = self.y - 20;
+				powerUps.push(powerUp);
+			}
+			// Remove from enemies array
+			var index = enemies.indexOf(self);
+			if (index > -1) {
+				enemies.splice(index, 1);
+			}
+			self.destroy();
+		}
+	};
+	self.update = function () {
+		self.x += self.speed;
+		// Check collision with player
+		if (self.intersects(player) && !player.invulnerable) {
+			player.takeDamage(self.damage);
+		}
+	};
+	return self;
+});
+var Player = Container.expand(function () {
+	var self = Container.call(this);
+	var playerGraphics = self.attachAsset('player', {
+		anchorX: 0.5,
+		anchorY: 1.0
+	});
+	self.maxHealth = 100;
+	self.health = self.maxHealth;
+	self.slashDamage = 1;
+	self.slashRange = 150;
+	self.isSlashing = false;
+	self.slashCooldown = 0;
+	self.invulnerable = false;
+	self.invulnerabilityTime = 0;
+	self.slash = function () {
+		if (self.slashCooldown <= 0 && !self.isSlashing) {
+			self.isSlashing = true;
+			self.slashCooldown = 20; // 1/3 second at 60fps
+			// Create slash effect
+			var slashEffect = game.addChild(LK.getAsset('slashEffect', {
+				anchorX: 0.5,
+				anchorY: 0.5
+			}));
+			slashEffect.x = self.x + 75;
+			slashEffect.y = self.y - 60;
+			slashEffect.alpha = 0.8;
+			// Animate slash effect
+			tween(slashEffect, {
+				scaleX: 1.5,
+				scaleY: 1.5,
+				alpha: 0
+			}, {
+				duration: 200,
+				onFinish: function onFinish() {
+					slashEffect.destroy();
+				}
+			});
+			LK.getSound('slash').play();
+			// Check for enemy hits
+			for (var i = 0; i < enemies.length; i++) {
+				var enemy = enemies[i];
+				var distance = Math.sqrt(Math.pow(enemy.x - self.x, 2) + Math.pow(enemy.y - self.y, 2));
+				if (distance < self.slashRange && enemy.x > self.x - 50) {
+					enemy.takeDamage(self.slashDamage);
+				}
+			}
+			setTimeout(function () {
+				self.isSlashing = false;
+			}, 200);
+		}
+	};
+	self.takeDamage = function (damage) {
+		if (!self.invulnerable) {
+			self.health -= damage;
+			self.invulnerable = true;
+			self.invulnerabilityTime = 120; // 2 seconds at 60fps
+			// Flash effect
+			LK.effects.flashObject(self, 0xff0000, 500);
+			if (self.health <= 0) {
+				self.health = 0;
+				LK.showGameOver();
+			}
+		}
+	};
+	self.update = function () {
+		if (self.slashCooldown > 0) {
+			self.slashCooldown--;
+		}
+		if (self.invulnerabilityTime > 0) {
+			self.invulnerabilityTime--;
+			if (self.invulnerabilityTime <= 0) {
+				self.invulnerable = false;
+			}
+		}
+	};
+	return self;
+});
+var PowerUp = Container.expand(function () {
+	var self = Container.call(this);
+	var powerUpGraphics = self.attachAsset('powerUp', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = -2;
+	self.bobOffset = 0;
+	self.update = function () {
+		self.x += self.speed;
+		self.bobOffset += 0.1;
+		self.y += Math.sin(self.bobOffset) * 0.5;
+		// Check collision with player
+		if (self.intersects(player)) {
+			self.collect();
+		}
+	};
+	self.collect = function () {
+		LK.getSound('powerUpSound').play();
+		// Random power-up effect
+		var powerType = Math.floor(Math.random() * 3);
+		switch (powerType) {
+			case 0:
+				// Increased damage
+				player.slashDamage += 1;
+				break;
+			case 1:
+				// Wider slash range
+				player.slashRange += 50;
+				break;
+			case 2:
+				// Temporary invincibility
+				player.invulnerable = true;
+				player.invulnerabilityTime = 300; // 5 seconds
+				break;
+		}
+		// Remove from powerUps array
+		var index = powerUps.indexOf(self);
+		if (index > -1) {
+			powerUps.splice(index, 1);
+		}
+		self.destroy();
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x2c3e50
+});
+
+/**** 
+* Game Code
+****/ 
+// Game variables
+var player;
+var enemies = [];
+var powerUps = [];
+var enemySpawnTimer = 0;
+var enemySpawnRate = 120; // Start spawning every 2 seconds
+var gameTime = 0;
+var healthBar;
+var healthBarBg;
+// Create UI elements
+var scoreTxt = new Text2('Score: 0', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0, 0);
+scoreTxt.x = 120;
+scoreTxt.y = 50;
+LK.gui.topLeft.addChild(scoreTxt);
+// Create health bar background
+healthBarBg = game.addChild(LK.getAsset('healthBarBg', {
+	anchorX: 0,
+	anchorY: 0
+}));
+healthBarBg.x = 120;
+healthBarBg.y = 120;
+// Create health bar
+healthBar = game.addChild(LK.getAsset('healthBar', {
+	anchorX: 0,
+	anchorY: 0
+}));
+healthBar.x = 122;
+healthBar.y = 122;
+// Create health text
+var healthTxt = new Text2('Health', {
+	size: 40,
+	fill: 0xFFFFFF
+});
+healthTxt.anchor.set(0, 0);
+healthTxt.x = 120;
+healthTxt.y = 160;
+game.addChild(healthTxt);
+// Create player
+player = game.addChild(new Player());
+player.x = 300;
+player.y = 2732 - 150; // Near bottom of screen
+// Tap to slash
+game.down = function (x, y, obj) {
+	player.slash();
+};
+// Spawn enemies
+function spawnEnemy() {
+	var enemyType = Math.random() < 0.7 ? 'basic' : 'armored';
+	var enemy = game.addChild(new Enemy(enemyType));
+	enemy.x = 2048 + 100; // Start off-screen right
+	enemy.y = 2732 - 150 + Math.random() * 100 - 50; // Vary height slightly
+	enemies.push(enemy);
+}
+// Main game loop
+game.update = function () {
+	gameTime++;
+	// Update score display
+	scoreTxt.setText('Score: ' + LK.getScore());
+	// Update health bar
+	var healthPercent = player.health / player.maxHealth;
+	healthBar.width = 200 * healthPercent;
+	// Spawn enemies
+	enemySpawnTimer++;
+	if (enemySpawnTimer >= enemySpawnRate) {
+		spawnEnemy();
+		enemySpawnTimer = 0;
+		// Increase difficulty over time
+		if (enemySpawnRate > 30) {
+			// Minimum spawn rate
+			enemySpawnRate -= 0.5;
+		}
+	}
+	// Clean up off-screen enemies
+	for (var i = enemies.length - 1; i >= 0; i--) {
+		var enemy = enemies[i];
+		if (enemy.x < -100) {
+			enemy.destroy();
+			enemies.splice(i, 1);
+		}
+	}
+	// Clean up off-screen power-ups
+	for (var i = powerUps.length - 1; i >= 0; i--) {
+		var powerUp = powerUps[i];
+		if (powerUp.x < -100) {
+			powerUp.destroy();
+			powerUps.splice(i, 1);
+		}
+	}
+};
\ No newline at end of file