===================================================================
--- original.js
+++ change.js
@@ -1583,33 +1583,10 @@
 });
 scoreText.anchor.set(0.5, 0);
 LK.gui.top.addChild(scoreText);
 // Add countdown timer below the score display
-var countdown = 180; // Initial countdown value set to 3 minutes (180 seconds)
+var countdown = 240; // Initial countdown value set to 4 minutes (240 seconds)
 var akulaCount = 1; // Initial number of sharks
-var akulaSpawnInterval = 90; // Interval for spawning sharks
-var akulaHealthIncrement = 2; // Health increment for each spawn cycle
-// Function to adjust shark spawn rate and health based on player score and fish count
-function adjustSharkDifficulty() {
-	var score = LK.getScore();
-	var fishCount = fishes.length;
-	// Increase shark count and health increment based on score
-	if (score >= 100 && score < 200) {
-		akulaCount = 2;
-		akulaHealthIncrement = 3;
-	} else if (score >= 200 && score < 300) {
-		akulaCount = 3;
-		akulaHealthIncrement = 4;
-	} else if (score >= 300) {
-		akulaCount = 4;
-		akulaHealthIncrement = 5;
-	}
-	// Further increase difficulty if there are too many fish
-	if (fishCount > 10) {
-		akulaCount += 1;
-		akulaHealthIncrement += 1;
-	}
-}
 var countdownText = new Text2(countdown.toString(), {
 	size: 80,
 	fill: 0xFFFF00 // Yellow color
 });
@@ -1650,21 +1627,21 @@
 				warning.destroy();
 			}, 500);
 		}
 	} else if (countdown === 0) {
-		countdown += akulaSpawnInterval; // Extend the countdown by the spawn interval
-		adjustSharkDifficulty(); // Adjust shark difficulty based on score and fish count
-		for (var i = 0; i < akulaCount; i++) {
+		countdown += 90; // Extend the countdown by 90 seconds
+		var additionalSharks = Math.floor(LK.getScore() / 1500); // Calculate additional sharks based on score
+		for (var i = 0; i < akulaCount + additionalSharks; i++) {
 			var akula = new Akula();
 			akula.x = 2048 + akula.width / 2; // Position on the right side of the screen
 			akula.y = Math.random() * (2732 - 200) + 100; // Random y position within screen bounds
 			game.addChild(akula);
 		}
 		akulaCount += 1; // Increase the number of sharks for the next spawn by 1
-		// Increase health of all Akula instances based on the health increment
+		// Increase health of all Akula instances based on the number of Akulas spawned
 		game.children.forEach(function (child) {
 			if (child instanceof Akula) {
-				child.health += akulaHealthIncrement;
+				child.health += akulaCount;
 			}
 		});
 	}
 }, 1000);