You must have unity installed to play these games.
http://www.unitypark3d.com/demos/They are both multiplayer. It would be nice if some people played the bootcamp multiplayer game! But you must know this I didn't make these games.
CONTROLS FOR BOOTCAMP MULTIPLAYER
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WASD or arrow keys are to move
holding down shift while moving in a direction makes you run
pressing Ctrl makes you crouch
pressing space makes you jump
left click is to fire
holding down right click or Alt is to aim
the 1 key switches to bullets while the 2 key switches to grenade launcher
enter is to talk just type what you want then press enter again.
NOTE:
Most props and objects are movable.
TIP:
You can take cover using props and objects.