up, singleplayer cheats are back.
Here they are guys:
While playing the game, press ~ to display the console. Type "devmap mak" (omit "") and press enter to enable cheat mode.
give all - All weapons available.
devmap [MAP NAME] - Change map to one of your choice.
notarget - Disable AI ingame.
god - God mode enabled (Indestructable).
mapname - List all maps available.
noclip - No clipping mode (Spectator view).
sf_use_bw 1 - Black and white movie mode.
sf_use_ignoreammo 1 - Infinite ammo.
sf_use_invert 1 - Photo negative mode.
sf_use_chaplin 1 - Silent movie mode.
In order to disable a cheat simply retype the corresponding code into the console and press enter.
A message should appear in the top left hand of the screen confirming a cheat is on/off.
Have Fun
Source
Edit - For a full list of maps available, pleas see the post made by "Rolly D." further down this page.
Regards
__________________
Admin