===================================================================
--- original.js
+++ change.js
@@ -100,9 +100,8 @@
 	self.shootInterval = 120; // Enemy shoots every 2 seconds
 	self.lastShotTick = 0; // Last tick when the enemy shot
 	self.move = function () {
 		self.y += self.speed;
-		self.x = Math.max(self.width / 2, Math.min(2048 - self.width / 2, self.x));
 	};
 	self.shoot = function () {
 		if (LK.ticks - self.lastShotTick >= self.shootInterval) {
 			var newEnemyBullet = new EnemyBullet();
@@ -136,9 +135,8 @@
 	self.speed = 4;
 	self.health = 2;
 	self.move = function () {
 		self.y += self.speed;
-		self.x = Math.max(self.width / 2, Math.min(2048 - self.width / 2, self.x));
 	};
 });
 // Define the EnemyType3 class
 var EnemyType3 = Container.expand(function () {
@@ -147,9 +145,8 @@
 	self.speed = 1;
 	self.health = 7;
 	self.move = function () {
 		self.y += self.speed;
-		self.x = Math.max(self.width / 2, Math.min(2048 - self.width / 2, self.x));
 	};
 });
 // Define the EnemyType4 class
 var EnemyType4 = Container.expand(function () {
@@ -159,9 +156,8 @@
 	self.health = 4;
 	self.move = function () {
 		self.x += Math.sin(self.y / 100) * 10; // Sine wave movement
 		self.y += self.speed;
-		self.x = Math.max(self.width / 2, Math.min(2048 - self.width / 2, self.x));
 	};
 });
 // Define the EnemyType5 class
 var EnemyType5 = Container.expand(function () {
@@ -175,9 +171,8 @@
 		} else {
 			self.x -= self.speed;
 		}
 		self.y += self.speed / 2;
-		self.x = Math.max(self.width / 2, Math.min(2048 - self.width / 2, self.x));
 	};
 });
 var ShootingPowerUp = Container.expand(function () {
 	var self = Container.call(this);
@@ -308,9 +303,9 @@
 var waveDisplay = new WaveDisplay();
 // Initialize wave properties
 var waveCount = 1;
 var waveInterval = 500; // Decreased interval for spawning waves to increase game pace
-var enemiesPerWave = 10; // Decreased number of enemies per wave to make the game less challenging
+var enemiesPerWave = 15; // Increased number of enemies per wave to make the game more challenging
 LK.gui.topRight.addChild(waveDisplay);
 // Add lives display to the GUI overlay at the top center of the screen
 LK.gui.top.addChild(livesDisplay);
 // Initialize important asset arrays
@@ -451,43 +446,32 @@
 			livesDisplay.updateLives(spaceRanger.lives);
 			obj.destroy();
 		}
 	}
-	// Spawn enemies in waves and increase meteor speed
+	// Spawn enemies in waves with progressive difficulty
 	if (LK.ticks % waveInterval === 0 && meteors.length + aliens.length <= 2) {
 		for (var i = 0; i < meteors.length; i++) {
 			meteors[i].speedMultiplier = 1 + waveCount * 0.1;
 		}
-		var placedEnemies = [];
-		for (var i = 0; i < enemiesPerWave; i++) {
-			var enemyTypes = [Meteor, Alien, EnemyType1, EnemyType2, EnemyType3, EnemyType4, EnemyType5];
+		var enemyTypes = [Meteor, Alien, EnemyType1, EnemyType2, EnemyType3, EnemyType4, EnemyType5];
+		var waveEnemyCount = Math.min(enemiesPerWave + waveCount, 50); // Cap the number of enemies per wave
+		for (var i = 0; i < waveEnemyCount; i++) {
 			var randomTypeIndex = Math.floor(Math.random() * enemyTypes.length);
 			var EnemyClass = enemyTypes[randomTypeIndex];
 			var newEnemy = new EnemyClass();
-			var positionFound = false;
-			while (!positionFound) {
-				newEnemy.x = Math.random() * 2048;
-				newEnemy.y = -newEnemy.height / 2;
-				positionFound = true;
-				for (var j = 0; j < placedEnemies.length; j++) {
-					if (newEnemy.intersects(placedEnemies[j])) {
-						positionFound = false;
-						break;
-					}
-				}
-			}
-			placedEnemies.push(newEnemy);
+			newEnemy.x = Math.random() * 2048;
+			newEnemy.y = -newEnemy.height / 2;
 			game.addChild(newEnemy);
 			if (newEnemy instanceof Meteor) {
 				meteors.push(newEnemy);
 			} else {
 				aliens.push(newEnemy);
 			}
 		}
-		// Increase the number of enemies for the next wave more conservatively
-		enemiesPerWave = 10;
-		// Decrease the interval between waves more conservatively to a minimum of 300 ticks
-		waveInterval = Math.max(200, waveInterval - Math.ceil(waveCount * 0.2));
+		// Adjust the number of enemies for the next wave
+		enemiesPerWave += 2; // Increase by a fixed amount each wave
+		// Adjust the interval between waves
+		waveInterval = Math.max(200, waveInterval - 10); // Decrease interval by a fixed amount
 		// Increment wave count
 		waveCount++;
 		// Update the wave counter display
 		waveDisplay.updateWave(waveCount);