Boxhead 2Play Rooms Controls | fullscreen. Arrow keys: Move; /: Fire/Use;: Previous weapon.: Next weapon; Select weapon; P: Pause. Boxhead: 2Play Rooms: Play Boxhead with a friend (cooperative mode) or play in single-player mode in all new huge Boxhead -levels. How long can you last?. This is the follow-up to the Boxhead game by Sean Cooper: link. This time you share a room with the undead who are out to get you. Get them first!.