Revolution Cheat 
Start the game with the next command line parameter:
-cheats -funlabs 

Example:
"C:\Program Files\Activision Value\FUN labs\Revolution\Bin\
Revolution.exe -cheats -funlabs"

In the game press ~ (tilde) to open up the console and type one of the 
following commands and press enter: 

godMode = 1 - god mode
noClip = 1 - no clipping mode 
give health  - get healt
give weapons - get weapons
aiDisableThink = 1 - disables AI thinking 
aiDisableAct = 1 - disables AI ability to act 
revNextSpawn - jump to the next spawn point 
spMapList - shows a list of all maps to choose 
help - shows a list of available commands 

to disable the codes replace the 1 with a 0, also there needs to be a space 
before and after the = sign to get the code to work