/**** 
* Classes
****/ 
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -12;
	self.damage = 1;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var Cloud = Container.expand(function () {
	var self = Container.call(this);
	var cloudType = ['cloud1', 'cloud2', 'cloud3'][Math.floor(Math.random() * 3)];
	var cloudGraphics = self.attachAsset(cloudType, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	cloudGraphics.alpha = 0.7;
	self.speed = Math.random() * 2 + 1;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
// Game variables
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 3;
	self.health = 1;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 8;
	self.health = 3;
	self.update = function () {
		// Keep player in bounds - only allow movement along bottom edge
		if (self.x < 40) self.x = 40;
		if (self.x > 2008) self.x = 2008;
		// Force player to stay at bottom of screen
		self.y = 2400;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87CEEB
});

/**** 
* Game Code
****/ 
// Game variables
var player;
var enemies = [];
var bullets = [];
var clouds = [];
var score = 0;
var enemySpawnTimer = 0;
var cloudSpawnTimer = 0;
var currentWave = 1;
var enemiesSpawnedThisWave = 0;
var enemiesKilledThisWave = 0;
var enemiesPerWave = 5;
var waveInProgress = false;
var waveStartDelay = 0;
var maxEnemySpawnRate = 60;
// Initialize background clouds
for (var i = 0; i < 8; i++) {
	var cloud = new Cloud();
	cloud.x = Math.random() * 2048;
	cloud.y = Math.random() * 2732;
	clouds.push(cloud);
	game.addChild(cloud);
}
// Create player
player = game.addChild(new Player());
player.x = 1024;
player.y = 2400;
// Score display
var scoreTxt = new Text2('Score: ' + score, {
	size: 60,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0, 0);
LK.gui.topLeft.addChild(scoreTxt);
scoreTxt.x = 120;
scoreTxt.y = 20;
// Wave display
var waveTxt = new Text2('Wave: ' + currentWave, {
	size: 60,
	fill: 0xFFFF00
});
waveTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(waveTxt);
waveTxt.y = 20;
// Touch input handling for player movement
game.down = function (x, y, obj) {
	// Move player to touch x position, keeping y at bottom
	player.x = x;
};
game.move = function (x, y, obj) {
	// Move player to touch x position while dragging
	player.x = x;
};
// Main game loop
game.update = function () {
	// Spawn new clouds
	cloudSpawnTimer++;
	if (cloudSpawnTimer > 120) {
		var cloud = new Cloud();
		cloud.x = Math.random() * 2048;
		cloud.y = -100;
		clouds.push(cloud);
		game.addChild(cloud);
		cloudSpawnTimer = 0;
	}
	// Update clouds
	for (var i = clouds.length - 1; i >= 0; i--) {
		var cloud = clouds[i];
		if (cloud.y > 2800) {
			cloud.destroy();
			clouds.splice(i, 1);
		}
	}
	// Continuous shooting every 10 ticks - bullets spawn from player position
	if (LK.ticks % 10 === 0) {
		var bullet = new Bullet();
		bullet.x = player.x; // Spawn bullet at player's exact x position
		bullet.y = player.y - 60; // Spawn bullet slightly above player
		bullets.push(bullet);
		game.addChild(bullet);
		LK.getSound('shoot').play();
	}
	// Wave system - spawn enemies based on current wave
	if (!waveInProgress && waveStartDelay <= 0) {
		// Start new wave
		waveInProgress = true;
		enemiesSpawnedThisWave = 0;
		enemiesKilledThisWave = 0;
		enemiesPerWave = Math.min(5 + currentWave * 2, 20); // Increase enemies per wave, cap at 20
		maxEnemySpawnRate = Math.max(30, 60 - currentWave * 3); // Faster spawning each wave, minimum 30 ticks
		waveTxt.setText('Wave: ' + currentWave);
	}
	if (waveInProgress && enemiesSpawnedThisWave < enemiesPerWave) {
		enemySpawnTimer++;
		if (enemySpawnTimer > maxEnemySpawnRate) {
			var enemy = new Enemy();
			enemy.x = Math.random() * 1900 + 100;
			enemy.y = -50;
			// Make enemies faster in later waves
			enemy.speed = 3 + Math.floor(currentWave / 3);
			enemies.push(enemy);
			game.addChild(enemy);
			enemySpawnTimer = 0;
			enemiesSpawnedThisWave++;
		}
	}
	// Update bullets
	for (var i = bullets.length - 1; i >= 0; i--) {
		var bullet = bullets[i];
		// Remove bullets that are off screen
		if (bullet.y < -50) {
			bullet.destroy();
			bullets.splice(i, 1);
			continue;
		}
		// Check bullet-enemy collisions
		for (var j = enemies.length - 1; j >= 0; j--) {
			var enemy = enemies[j];
			if (bullet.intersects(enemy)) {
				// Destroy enemy and bullet
				LK.getSound('explosion').play();
				bullet.destroy();
				bullets.splice(i, 1);
				enemy.destroy();
				enemies.splice(j, 1);
				// Update score and wave progress
				score += 10 * currentWave; // More points for later waves
				LK.setScore(score);
				scoreTxt.setText('Score: ' + score);
				enemiesKilledThisWave++;
				// Check if wave is complete
				if (waveInProgress && enemiesKilledThisWave >= enemiesPerWave) {
					waveInProgress = false;
					currentWave++;
					waveStartDelay = 120; // 2 second delay between waves
					LK.effects.flashScreen(0x00ff00, 500); // Green flash for wave complete
				}
				break;
			}
		}
	}
	// Update enemies
	for (var i = enemies.length - 1; i >= 0; i--) {
		var enemy = enemies[i];
		// Remove enemies that are off screen
		if (enemy.y > 2800) {
			enemy.destroy();
			enemies.splice(i, 1);
			continue;
		}
		// Check enemy-player collision
		if (enemy.intersects(player)) {
			player.health--;
			if (player.health <= 0) {
				LK.showGameOver();
			} else {
				LK.effects.flashObject(player, 0xff0000, 500);
			}
			enemy.destroy();
			enemies.splice(i, 1);
		}
	}
	// Handle wave start delay
	if (waveStartDelay > 0) {
		waveStartDelay--;
	}
};

===================================================================
--- original.js
+++ change.js
@@ -77,8 +77,15 @@
 var clouds = [];
 var score = 0;
 var enemySpawnTimer = 0;
 var cloudSpawnTimer = 0;
+var currentWave = 1;
+var enemiesSpawnedThisWave = 0;
+var enemiesKilledThisWave = 0;
+var enemiesPerWave = 5;
+var waveInProgress = false;
+var waveStartDelay = 0;
+var maxEnemySpawnRate = 60;
 // Initialize background clouds
 for (var i = 0; i < 8; i++) {
 	var cloud = new Cloud();
 	cloud.x = Math.random() * 2048;
@@ -98,8 +105,16 @@
 scoreTxt.anchor.set(0, 0);
 LK.gui.topLeft.addChild(scoreTxt);
 scoreTxt.x = 120;
 scoreTxt.y = 20;
+// Wave display
+var waveTxt = new Text2('Wave: ' + currentWave, {
+	size: 60,
+	fill: 0xFFFF00
+});
+waveTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(waveTxt);
+waveTxt.y = 20;
 // Touch input handling for player movement
 game.down = function (x, y, obj) {
 	// Move player to touch x position, keeping y at bottom
 	player.x = x;
@@ -136,18 +151,32 @@
 		bullets.push(bullet);
 		game.addChild(bullet);
 		LK.getSound('shoot').play();
 	}
-	// Spawn enemies
-	enemySpawnTimer++;
-	if (enemySpawnTimer > 60) {
-		var enemy = new Enemy();
-		enemy.x = Math.random() * 1900 + 100;
-		enemy.y = -50;
-		enemies.push(enemy);
-		game.addChild(enemy);
-		enemySpawnTimer = 0;
+	// Wave system - spawn enemies based on current wave
+	if (!waveInProgress && waveStartDelay <= 0) {
+		// Start new wave
+		waveInProgress = true;
+		enemiesSpawnedThisWave = 0;
+		enemiesKilledThisWave = 0;
+		enemiesPerWave = Math.min(5 + currentWave * 2, 20); // Increase enemies per wave, cap at 20
+		maxEnemySpawnRate = Math.max(30, 60 - currentWave * 3); // Faster spawning each wave, minimum 30 ticks
+		waveTxt.setText('Wave: ' + currentWave);
 	}
+	if (waveInProgress && enemiesSpawnedThisWave < enemiesPerWave) {
+		enemySpawnTimer++;
+		if (enemySpawnTimer > maxEnemySpawnRate) {
+			var enemy = new Enemy();
+			enemy.x = Math.random() * 1900 + 100;
+			enemy.y = -50;
+			// Make enemies faster in later waves
+			enemy.speed = 3 + Math.floor(currentWave / 3);
+			enemies.push(enemy);
+			game.addChild(enemy);
+			enemySpawnTimer = 0;
+			enemiesSpawnedThisWave++;
+		}
+	}
 	// Update bullets
 	for (var i = bullets.length - 1; i >= 0; i--) {
 		var bullet = bullets[i];
 		// Remove bullets that are off screen
@@ -165,12 +194,20 @@
 				bullet.destroy();
 				bullets.splice(i, 1);
 				enemy.destroy();
 				enemies.splice(j, 1);
-				// Update score
-				score += 10;
+				// Update score and wave progress
+				score += 10 * currentWave; // More points for later waves
 				LK.setScore(score);
 				scoreTxt.setText('Score: ' + score);
+				enemiesKilledThisWave++;
+				// Check if wave is complete
+				if (waveInProgress && enemiesKilledThisWave >= enemiesPerWave) {
+					waveInProgress = false;
+					currentWave++;
+					waveStartDelay = 120; // 2 second delay between waves
+					LK.effects.flashScreen(0x00ff00, 500); // Green flash for wave complete
+				}
 				break;
 			}
 		}
 	}
@@ -194,5 +231,9 @@
 			enemy.destroy();
 			enemies.splice(i, 1);
 		}
 	}
+	// Handle wave start delay
+	if (waveStartDelay > 0) {
+		waveStartDelay--;
+	}
 };
\ No newline at end of file