COLORxx - Changes player clothing color xx is the color, from 00 to 13
FLY - Toggles flying mode on and off
GAMMA#.# - Alters screen brightness; #.# is brightness level from 0.0 to 1.0
KILL - Suicide
GIVE S ### - Change Shells to ###
GOD - Toggles god mode on and off
MAP E#M# - Level Warp
GIVE N ### - Change Nails to ###
GIVE R ### - Change Rockets to ###
NAME - Changes player name
NOCLIP - Toggles clipping on and off
NOTARGET - Monsters ignore you until you shoot at them.
SKILL # - Set Skill to # (0-EASY, 3-NIGHTMARE)
GIVE # - Gives the numbered weapon
GIVE C ### - Change Cells to ###
GIVE H ### - Change Health to ###
IMPULSE 9 - All Weapons and Keys
IMPULSE 11 - Next Sigil (the things you get at the end of an episode)
IMPULSE 255 - Turns on quad damage
STATUS - Displays info on the current game
SV_GRAVITYxxx - Gravity: xxx represents a number from 00 (no gravity) to 850 (normal gravity)
VERSION - Displays Quake version info