/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");

/**** 
* Classes
****/ 
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.baseSpeedX = (Math.random() - 0.5) * 6;
	self.baseSpeedY = Math.random() * 4 + 2;
	self.frozen = false;
	self.update = function () {
		if (!self.frozen && gameActive) {
			// Apply difficulty multiplier to speed
			var speedMultiplier = 1 + (difficultyLevel - 1) * 0.4;
			self.x += self.baseSpeedX * speedMultiplier;
			self.y += self.baseSpeedY * speedMultiplier;
		}
		// Visual feedback for frozen state
		graphics.tint = self.frozen ? 0x888888 : 0xFFFFFF;
	};
	return self;
});
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.baseSpeedX = (Math.random() - 0.5) * 4;
	self.baseSpeedY = Math.random() * 3 + 1;
	self.frozen = false;
	self.update = function () {
		if (!self.frozen && gameActive) {
			// Apply difficulty multiplier to speed
			var speedMultiplier = 1 + (difficultyLevel - 1) * 0.3;
			self.x += self.baseSpeedX * speedMultiplier;
			self.y += self.baseSpeedY * speedMultiplier;
			// Bounce off screen edges
			if (self.x <= 30 || self.x >= 2018) {
				self.baseSpeedX *= -1;
			}
		}
		// Visual feedback for frozen state
		graphics.tint = self.frozen ? 0x888888 : 0xFFFFFF;
	};
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.lastX = 0;
	self.lastY = 0;
	self.isMoving = false;
	self.update = function () {
		// Check if player is moving
		var deltaX = Math.abs(self.x - self.lastX);
		var deltaY = Math.abs(self.y - self.lastY);
		self.isMoving = deltaX > 1 || deltaY > 1;
		// Update last position
		self.lastX = self.x;
		self.lastY = self.y;
		// Visual feedback for movement state
		if (self.isMoving) {
			graphics.alpha = 1.0;
			graphics.scaleX = 1.1;
			graphics.scaleY = 1.1;
		} else {
			graphics.alpha = 0.7;
			graphics.scaleX = 1.0;
			graphics.scaleY = 1.0;
		}
	};
	return self;
});
var PowerUp = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('powerup', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.bobSpeed = Math.random() * 0.1 + 0.05;
	self.bobOffset = Math.random() * Math.PI * 2;
	self.frozen = false;
	self.update = function () {
		if (!self.frozen && gameActive) {
			// Gentle bobbing animation
			graphics.y = Math.sin(LK.ticks * self.bobSpeed + self.bobOffset) * 5;
			graphics.rotation += 0.02;
		}
		// Visual feedback for frozen state
		graphics.tint = self.frozen ? 0x888888 : 0xFFFFFF;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x1A1A2E
});

/**** 
* Game Code
****/ 
var player;
var enemies = [];
var bullets = [];
var powerups = [];
var gameActive = false;
var survivalTime = 0;
var spawnTimer = 0;
var difficultyLevel = 1;
var dragNode = null;
var levelTimer = 0;
var baseEnemySpeed = 3;
var baseBulletSpeed = 4;
// Initialize score display
var scoreTxt = new Text2('Score: 0', {
	size: 60,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Initialize status display
var statusTxt = new Text2('MOVE TO START', {
	size: 80,
	fill: 0xFFD700
});
statusTxt.anchor.set(0.5, 0.5);
statusTxt.x = 2048 / 2;
statusTxt.y = 2732 / 2 - 200;
game.addChild(statusTxt);
// Create player
player = game.addChild(new Player());
player.x = 2048 / 2;
player.y = 2732 / 2;
// Movement handling
function handleMove(x, y, obj) {
	if (dragNode) {
		dragNode.x = Math.max(40, Math.min(2008, x));
		dragNode.y = Math.max(40, Math.min(2692, y));
	}
}
game.move = handleMove;
game.down = function (x, y, obj) {
	dragNode = player;
	handleMove(x, y, obj);
};
game.up = function (x, y, obj) {
	dragNode = null;
};
// Spawn enemies
function spawnEnemy() {
	var enemy = new Enemy();
	enemy.x = Math.random() * 1900 + 100;
	enemy.y = -50;
	enemies.push(enemy);
	game.addChild(enemy);
}
// Spawn bullets
function spawnBullet() {
	var bullet = new Bullet();
	bullet.x = Math.random() * 2048;
	bullet.y = -30;
	bullets.push(bullet);
	game.addChild(bullet);
}
// Spawn power-ups
function spawnPowerUp() {
	var powerup = new PowerUp();
	powerup.x = Math.random() * 1800 + 124;
	powerup.y = Math.random() * 2000 + 100;
	powerups.push(powerup);
	game.addChild(powerup);
}
// Update game state
game.update = function () {
	// Update game active state based on player movement
	gameActive = player.isMoving;
	// Update status text
	if (gameActive) {
		statusTxt.alpha = 0;
		survivalTime++;
		levelTimer++;
		// Update score
		var currentScore = Math.floor(survivalTime / 60) + LK.getScore() % 1000;
		LK.setScore(Math.floor(survivalTime / 60) * 10);
		scoreTxt.setText('Score: ' + LK.getScore());
		// Increase difficulty every 10 seconds (600 ticks at 60fps)
		if (levelTimer >= 600) {
			difficultyLevel++;
			levelTimer = 0;
			// Flash screen to indicate level up
			LK.effects.flashScreen(0x00FF00, 300);
		}
	} else {
		statusTxt.alpha = 0.8;
		statusTxt.setText('MOVE TO CONTINUE');
	}
	// Freeze/unfreeze all game objects
	for (var i = 0; i < enemies.length; i++) {
		enemies[i].frozen = !gameActive;
	}
	for (var i = 0; i < bullets.length; i++) {
		bullets[i].frozen = !gameActive;
	}
	for (var i = 0; i < powerups.length; i++) {
		powerups[i].frozen = !gameActive;
	}
	// Spawn logic (only when game is active)
	if (gameActive) {
		spawnTimer++;
		// Spawn enemies
		if (spawnTimer % Math.max(120 - difficultyLevel * 10, 30) === 0) {
			spawnEnemy();
		}
		// Spawn bullets
		if (spawnTimer % Math.max(90 - difficultyLevel * 5, 20) === 0) {
			spawnBullet();
		}
		// Spawn power-ups
		if (spawnTimer % 600 === 0) {
			spawnPowerUp();
		}
	}
	// Handle enemy collisions and cleanup
	for (var i = enemies.length - 1; i >= 0; i--) {
		var enemy = enemies[i];
		// Remove off-screen enemies
		if (enemy.y > 2800) {
			enemy.destroy();
			enemies.splice(i, 1);
			continue;
		}
		// Check collision with player
		if (enemy.intersects(player)) {
			LK.getSound('enemyHit').play();
			LK.effects.flashScreen(0xFF0000, 500);
			LK.showGameOver();
			return;
		}
	}
	// Handle bullet collisions and cleanup
	for (var i = bullets.length - 1; i >= 0; i--) {
		var bullet = bullets[i];
		// Remove off-screen bullets
		if (bullet.y > 2800 || bullet.x < -50 || bullet.x > 2098) {
			bullet.destroy();
			bullets.splice(i, 1);
			continue;
		}
		// Check collision with player
		if (bullet.intersects(player)) {
			LK.getSound('enemyHit').play();
			LK.effects.flashScreen(0xFF0000, 500);
			LK.showGameOver();
			return;
		}
	}
	// Handle power-up collisions
	for (var i = powerups.length - 1; i >= 0; i--) {
		var powerup = powerups[i];
		if (powerup.intersects(player)) {
			LK.getSound('collect').play();
			LK.setScore(LK.getScore() + 50);
			scoreTxt.setText('Score: ' + LK.getScore());
			LK.effects.flashObject(player, 0x2196F3, 300);
			powerup.destroy();
			powerups.splice(i, 1);
		}
	}
	// Win condition
	if (LK.getScore() >= 1000) {
		LK.showYouWin();
	}
};

===================================================================
--- original.js
+++ change.js
@@ -11,15 +11,17 @@
 	var graphics = self.attachAsset('bullet', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
-	self.speedX = (Math.random() - 0.5) * 6;
-	self.speedY = Math.random() * 4 + 2;
+	self.baseSpeedX = (Math.random() - 0.5) * 6;
+	self.baseSpeedY = Math.random() * 4 + 2;
 	self.frozen = false;
 	self.update = function () {
 		if (!self.frozen && gameActive) {
-			self.x += self.speedX;
-			self.y += self.speedY;
+			// Apply difficulty multiplier to speed
+			var speedMultiplier = 1 + (difficultyLevel - 1) * 0.4;
+			self.x += self.baseSpeedX * speedMultiplier;
+			self.y += self.baseSpeedY * speedMultiplier;
 		}
 		// Visual feedback for frozen state
 		graphics.tint = self.frozen ? 0x888888 : 0xFFFFFF;
 	};
@@ -30,18 +32,20 @@
 	var graphics = self.attachAsset('enemy', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
-	self.speedX = (Math.random() - 0.5) * 4;
-	self.speedY = Math.random() * 3 + 1;
+	self.baseSpeedX = (Math.random() - 0.5) * 4;
+	self.baseSpeedY = Math.random() * 3 + 1;
 	self.frozen = false;
 	self.update = function () {
 		if (!self.frozen && gameActive) {
-			self.x += self.speedX;
-			self.y += self.speedY;
+			// Apply difficulty multiplier to speed
+			var speedMultiplier = 1 + (difficultyLevel - 1) * 0.3;
+			self.x += self.baseSpeedX * speedMultiplier;
+			self.y += self.baseSpeedY * speedMultiplier;
 			// Bounce off screen edges
 			if (self.x <= 30 || self.x >= 2018) {
-				self.speedX *= -1;
+				self.baseSpeedX *= -1;
 			}
 		}
 		// Visual feedback for frozen state
 		graphics.tint = self.frozen ? 0x888888 : 0xFFFFFF;
@@ -117,8 +121,11 @@
 var survivalTime = 0;
 var spawnTimer = 0;
 var difficultyLevel = 1;
 var dragNode = null;
+var levelTimer = 0;
+var baseEnemySpeed = 3;
+var baseBulletSpeed = 4;
 // Initialize score display
 var scoreTxt = new Text2('Score: 0', {
 	size: 60,
 	fill: 0xFFFFFF
@@ -184,14 +191,20 @@
 	// Update status text
 	if (gameActive) {
 		statusTxt.alpha = 0;
 		survivalTime++;
+		levelTimer++;
 		// Update score
 		var currentScore = Math.floor(survivalTime / 60) + LK.getScore() % 1000;
 		LK.setScore(Math.floor(survivalTime / 60) * 10);
 		scoreTxt.setText('Score: ' + LK.getScore());
-		// Increase difficulty over time
-		difficultyLevel = Math.floor(survivalTime / 3600) + 1;
+		// Increase difficulty every 10 seconds (600 ticks at 60fps)
+		if (levelTimer >= 600) {
+			difficultyLevel++;
+			levelTimer = 0;
+			// Flash screen to indicate level up
+			LK.effects.flashScreen(0x00FF00, 300);
+		}
 	} else {
 		statusTxt.alpha = 0.8;
 		statusTxt.setText('MOVE TO CONTINUE');
 	}