Here are some cheats and tips for the game Quake.
Jevon’s Control Mode:
During play, pause the game and enter the options menu. Highlight
“Customize Control” and press R, R, L, R, X, Y, Z, X, Y, Z in one
swift motion until you see a faint message appear behind the text from
the option menu. Jevon’s Controls should now be activated.
Note: This control mode requires an analog controller.
————————————————————————
Monster Control Mode:
During play, pause the game and enter the Options menu. Highlight
“Auto Targetting” and press R, R, L, R, X, Y, Z, X, Y, Z in one swift
motion until you see a faint message appear behind the text from the
option menu. Your weapons will become more powerful, but only one type
of weapon will ‘upgraded’ on each stage.
————————————————————————
Nightmare Mode:
To play in Nightmare mode, choose the fourth episode and fall into the
pool of water near the entrance. While you are sinking, strafe left
until you reach land, then walk toward the doorway. There you will
find a secret slipgate that leads to Nightmare mode.