Boxhead 2Play Rooms Controls | fullscreen. Arrow keys: Move; /: Fire/Use;: Previous weapon.: Next weapon; Select weapon; P: Pause. The Boxhead universe is about to get a lot more crowded! Make way for players of all sorts to test your online multplayers fraggin' skills as Online Multiplayer. Boxhead 2Play: Play alone or team up with a friend to destroy some very boxy zombie hordes. Free Online Zombie Games from.