Play "Boxhead 2Play" by using the keyboard to move a player around a series of rooms in an attempt to shoot and kill an oncoming hoard of zombies. The game also features a cooperative mode that allows two players to share the keyboard and play at the same time.
At the start of the game, choose from the three available game modes, with Single Play featuring one player and both Cooperative and Deathmatch featuring two players. In Single Play mode, use the up, down, left and right arrow keys to move the character across a top-down two-dimensional world and the space bar to shoot at zombies. Use the number keys to switch between different weapons as they become available. After killing all zombies and other enemies on the screen, the level ends, and a new level loads.
In the multiplayer modes, the first player uses the arrow keys to move while the second player uses the W, A, S and D keys. The first player uses the forward slash key to shoot, while the second player uses the space bar to shoot. To switch weapons, player one uses the period and comma keys, and the second player uses the Q and E keys. Cooperative mode allows the players to join forces and kill the zombies together, while Deathmatch pits the two against each other.