Brainrot: Castle Siege!
About Brainrot: Castle Siege!
You defend a castle against waves of chaotic enemies called Brainrots. These relentless creatures charge at your fortress in rhythmic hordes, and you must shoot them down before they tear through your walls. Choose from a variety of weapons—some explosive, some rapid-fire—and customize your loadout to match your tactics. Twenty-five different levels take you from quiet clearings to volcanic battlegrounds, each with tougher enemies and more pressure on your defenses.
What keeps the action intense is the constant threat to your castle and the need to switch strategies on the fly. Unlock twenty-four skins to personalize your experience, and test your reflexes as the crowds grow larger and faster. Brainrot: Castle Siege on Poki Games rewards quick thinking and accurate aim as you hold the line against increasingly wild assaults.
How to play Brainrot: Castle Siege!
Left mouse button – shoot
Right mouse button (hold) – look around
Mouse wheel – switch weapons
Swipe – look around (mobile)
Fire button – shoot (mobile)
Brainrot: Castle Siege! – game details
- Genre
- Shooting Games
- Platform
- Browser – desktop, phone and tablet
- Price
- Free to play
- Added
- September 12, 2026

















