pkammo - Full ammunition
pkpower - Full ammunition and health
pkweapons - All weapons
pkgold - Extra gold
pkkeepbodies - Toggle disappearing bodies
pkkeepdecals - Toggle disappearing decals
pkdemon - Toggle demon morph
pkweakenemies - Toggle weak enemies
pkalwaysgib - Toggle excessive gibs
pkgod - Toggle God mode
pkhaste - Toggle haste
pkweaponmodifier - Toggle weapon modifier mode
weaponspecular <0 or 1> - Toggle weapon specular
showweapon <0 or 1> - Toggle show weapon
bullettime # - Toggle bullet-time
fov # - Set field of view to # (default 90)
fraglimit # - Set frag limit
timelimit <0-999> - Set time limit
map - Change map
netstats - Show network statistics
netstats overall - Show morw network statistics
netstats info - Show netstats help
maxpacketsize - Show connection packet size
server - Connect to a server
name - Change player's name
hudsize # - Set HUD size
crosshair # - Change the look of the crosshair (default 1)
speedmeter <0 or 1> - Show player's speed
msensitivity # - Adjust mouse sensitivity (default 40)
msmooth <0 or 1> - Smoothes mouse movement
exit - Disconnect from a server
quit - Quit game
pkcards - ?
join - ?
camerainterpolation - ?
playerprediction - ?
rot - ?
notready - ?
pos - ?
ready - ?
break - ?
demo - ?
stresstest - ?
updateparams_physicsitems - ?
updateparams_players - ?
updateparams_myplayer - ?
updateparams_projectiles - ?
actionsendperiod - ?
team - ?

Demo cheat codes
Press [~] while in the game to display the console window and then enter one of
the following codes to activate the corresponding cheat function. If a code does
not work, follow it with a [Space] and 0 or 1 to toggle it on or off. Also, some
codes only are effective when the game is started in debug mode:

god - Invincibility
giveall - All weapons
fov # - Set field of view to # (default 90)
msensitivity # - Adjust mouse sensitivity (default 40)
msmooth <0 or 1> - Smoothes mouse movement
showweapon <0 or 1> - Toggle show weapon
server - Connect to a server
hudsize # - Set HUD size
crosshair # - Change the look of the crosshair (default 1)
map - Change map
fraglimit # - Set frag limit
timelimit <0-999> - Set time limit
bullettime # - Toggle bullet-time
speedmeter <0 or 1> - Show player's speed
weaponspecular <0 or 1> - Toggle weapon specular
exit - Disconnect from a server
quit - Quit game
join - ?
tpp - ?
playerprediction - ?
camerainterpolation - ?
pos - ?
rot - ?
dideltascale - ?
usedinput - ?