Unlock Network Cheat Hold ALT and type iddtiddtiddtiddt

Enter all cheats during the game:
Invincibility - iddqd  
All weapons, keys, ammo, and 200% armor - idkfa
Reset ammunition - idfa  
Berserker strength - idbeholds  
Temporary invincibility - idbeholdv  
Temporary invisibility - idbeholdi  
Full automap - idbeholda  
Anti-radiation suit - idbeholdr  
Light amplification visor - idbeholdl  
Walk through walls - idclip  
Chainsaw - idchoppers  
Level select - idclev<level number 01-32>  
Toggle full map; full map and objects; normal map  - iddt
Display coordinates and heading - idmypos  
Change music to indicated level - idmus<level number 01-32>  

Permanent turbo:
Begin your game with the Doom 2: Hell on Earth2 -turbo 250 command line to have your player in turbo for the entire game.

Wolfenstein:
Submit the code idclev32 or idclev31 while playing the game to start over in a totally new level. When you finish one of those levels you will always start on the level suburbs and continue your Doom 2: Hell on Earth 2 game.
Utilizing cheat mode:)
Submit one of the codes below while playing the game to enable that particular cheat code.