Cluster Rush features multiple weapons that you can switch between using the number keys 1-9, giving you up to 9 weapon slots to work with. You can collect additional weapons and ammunition scattered throughout each level as you progress.

Keep moving using WASD and use Shift to sprint away from enemy clusters when you're overwhelmed. Prioritize collecting power-ups and ammo drops, and always reload with R during brief breaks in combat so you're never caught empty in a firefight.

Yes, Cluster Rush features multiple difficulty levels to suit both newcomers and experienced FPS players. Higher difficulties increase the challenge by throwing tougher and more aggressive enemy clusters at you, making each run feel progressively more intense.

You can play Cluster Rush for free right here on GlorpMath. No downloads, sign-ups, or payments required. Just click play and start having fun instantly!

Yes! Cluster Rush runs directly in your browser and works great on Chromebooks, laptops, tablets, and phones. No installation needed.

GlorpMath hosts Cluster Rush directly on our servers, making it accessible from most school and work networks. Just visit GlorpMath and start playing!