Doom 2

					
Berserk
Press Start to pause game play, then hold L R and press B, A, B, A5
Invincibilité
Press Start to pause game play, then hold L R and press B3, A5
Mode Dieu
Press Start to pause game play, then hold L R and press A2, B, A5.
Disable God mode
Press Start to pause game play, then hold L R and press A2, B, A, B4.
Level skip
In single player games, press Start to pause game play, then hold L R and press A, B, A2, B3, A.
Advance ten levels
In single player games, press Start to pause game play, then hold L R and press A, B, A2, B2, A2. You will advance ten levels, depending on the current level.
Computer map
Press Start to pause game play, then hold L R and press B, A7
All weapons, items, keys
Press Start to pause game play, then hold L R and press A, B2, A5.
Radiation suit
Press Start to pause game play, then hold L R and press B2, A6
Tower of babel level
Pause the game then Hold L R and press A, B, A, B, A, B, B, A