Press ~ ( above the tab key ) to display the console window while playing under the insomnia or daydream difficulty setting.

Result - Cheat Code

All weapons - pkweapons
Agree or not agree to callvote for multi-player clients - vote [yes or no]
Benchmarking test in single player - benchmark C5L1
Connect to specified server for multi-player clients - connect [ip[:port]]
Change crosshair - crosshair [1-32]
Change player name - name [nickname]
Change maximum UDP packet size, as multi-player admin - maxpacketsize [20-1400]
Change setting for actions send per ms, as multi-player admin - actionsendperiod [number]
Change team in multi-player mode - team [1 or 2]
Changes settings for my player synchro, as multi-player admin - updateparams_myplayer
Changes settings for physics items synchro, as multi-player admin - updateparams_physicsitems
Changes settings for player synchro, as multi-player admin - updateparams_players
Changes settings for projectiles synchro, as multi-player admin - updateparams_projectiles
Change game mode on server, as multi-player admin - gamemode [ffa/tdm/pcf/tlb/voosh]
Disables/enables client prediction in multi-player mode - prediction [0 or 1]
Extra gold - pkgold
Exit game to desktop - exit
Full ammunition - pkammo
Full ammunition and health - pkpower
FPS display in single player - showfps [0 or 1]
Kick player from server, as multi-player admin - kick [name]
Kick and ban player from server, as multi-player admin - bankick [name]
Latency in milliseconds, can be negative, in multi-player mode - pushlatency [value]
Load map in multi-player mode - map [map name]
Player commits suicide for multi-player clients - kill
Play indicated movie file for multi-player clients - demoplay [filename]
Quit game to desktop - quit
Reload current map, as multi-player admin - reloadmap
Record indicated movie file for multi-player clients - demorecord [filename]
Set field of view (zoom) - fov [0-255]
Set HUD size - hudsize [0-3]
Set mouse sensitivity - msensitivity [0-200]
Set multi-player frag limit - fraglimit [number]
Set multi-player time limit - timelimit [number]
Show position in level - pos
Show channel packet stats, as multi-player admin - netstats
Set number of milliseconds to pass between sending your action packets to server in multi-player mode - actionsendperiod [value]
Set max number of players on server, as multi-player admin - maxplayers [value]
Set max number of spectators on server, as multi-player admin - maxspectators [value]
Show network info from the start of the connection in multi-player mode - netstats overall
Show help for the command in multi-player mode - netstats helpToggle disappearing bodies - pkkeepbodies
Stop playback of current demo for multi-player clients - demostop
Startsvoting for multi-player clients ( callvote maxplayers 3 ) - callvote [command command_params]
Toggle disappearing decals - pkkeepdecals
Toggle demon morph - pkdemon
Toggle weak enemies - pkweakenemies
Toggle excessive gibs - pkalwaysgib
Toggle God mode - pkgod
Toggle haste - pkhaste
Toggle weapon modifier mode - pkweaponmodifier
Toggle weapon specular - weaponspecular [0 or 1]
Toggle smooth mouse - msmooth [0 or 1]
Toggle weapon rendering - showweapon [0 or 1]
Toggle camera interpolation for multi-player clients - camerainterpolation [0 or 1]
Toggle player movement prediction - playerprediction [0 or 1]
Toggle running speedmeter - speedmeter [0 or 1]
Toggle power-up dropping after map change, as multi-player admin - powerupdrop [0 or 1]
Toggle power-ups, as multi-player admin - powerups [0 or 1]
Toggle weapons stay if collected, as multi-player admin - weaponsstay [0 or 1]
Toggle damage to teammates, as multi-player admin - teamdamage [0 or 1]
Toggle bunny hopping, as multi-player admin - allowbunnyhopping [0 or 1]
Toggle bright player skins, as multi-player admin - allowbrightskins [0 or 1]
Toggle forward rocket jump, as multi-player admin - allowforwardrj [0 or 1]
Toggle spectator mode for multi-player clients - spectator [0 or 1]
Tell everyone that you are not ready in multi-player mode - notready
Tell everyone that you want to break match in multi-player mode - break