Press [~] while in the game to display the console window and then enter one of
the following codes to activate the corresponding cheat function (note that
cheats are active only in Daydream and Insomnia difficulty modes):

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 - ?