Select a game and when the demo begins to play, press the Spacebar to open the game menu. Use the arrow keys and Enter to select options.
Doom:
W, A, S, D or Arrow Keys = Move
Q and E = Strafe Left and Right
Ctrl = Fire
R = Use Door / Switch
Shift = Run
Esc = Menu
Tab = Map
Number Keys = Change Weapon
See in-game instructions for Hexen and Heretic Controls
