"To use these codes, just type them in at the console (Press the ~ key to get to the console)
GOD             God Mode
NOCLIP          No Clipping Mode
IMPULSE 9       All Weapons and Keys
IMPULSE 255     Quad Damage
FLY             Fly Mode
MAP E#M#        Level Warp
NOTARGET - Nothing sees you untill you shoot.
KILL - Suicide.
IMPULSE -1 - Everything but the weapons.
IMPULSE 11 - Jewels.
GIVE # - Gun number.
GIVE C # - Charge (# of charge wanted.)
GIVE N # - Nails (# of nails wanted)
GIVE R # - Rockets (# of rockets wanted).
SV_GRAVITY - Change Gravity.
GIVE HEALTH # - Health (# up to 999)."
