===================================================================
--- original.js
+++ change.js
@@ -83,8 +83,12 @@
 
 // Initialize enemies and bullets arrays
 var enemies = [];
 var bullets = [];
+// Initialize firing rate and enemy spawn rate
+var firingRate = 30; // Initial firing rate (ticks)
+var spawnRate = 120; // Initial enemy spawn rate (ticks)
+var score = 0; // Global score variable
 
 // Function to spawn enemies
 function spawnEnemy() {
 	var angle = Math.random() * Math.PI * 2; // Random angle
@@ -134,8 +138,11 @@
 			if (bullets[i] && bullets[i].intersects(enemies[j])) {
 				// Destroy enemy and update score
 				score += 1; // Increment score
 				scoreDisplay.updateScore(score); // Update score display
+				// Increase firing rate and enemy spawn rate
+				firingRate = Math.max(5, firingRate - 1); // Decrease firing rate by 1 tick to a minimum of 5 ticks
+				spawnRate = Math.max(30, spawnRate - 5); // Decrease spawn rate by 5 ticks to a minimum of 30 ticks
 				enemies[j].destroy();
 				enemies.splice(j, 1);
 				// Destroy bullet
 				bullets[i].destroy();
@@ -166,14 +173,14 @@
 		}
 	}
 
 	// Spawn enemies
-	if (LK.ticks % 120 === 0) {
+	if (LK.ticks % spawnRate === 0) {
 		spawnEnemy();
 	}
 
 	// Fire bullets
-	if (LK.ticks % 30 === 0) {
+	if (LK.ticks % firingRate === 0) {
 		fireBullet();
 	}
 }); // Track touch position
 var touchPosition = null;