Doom 3
Skip checkpoints:
Hold L and press B, A, X, Y during game play to advance to the next
checkpoint. A sound will confirm correct code entry.
Invincibility:
Hold L and press X, Y, B, A during game play. A sound will confirm
correct code entry.
Doom Ultimate and Doom 2 Cheats: (Collector's Edition only)
Toggle God and Degreelessness mode:
Hold L and press A(4).
All weapons, ammunition, and armor:
Hold L and press B(4).
All weapons, health, keys, and armor:
Hold L and press A, B, A, B.
Temporary invincibility:
Hold L and press X(4).
Full map:
Hold L and press Y(4).
Berserk mode:
Hold L and press X(3), Y.
End level:
Hold L and press A(2), B(2).
Chainsaw:
Hold L and press B(2), A(2).
Invisibility:
Hold L and press X(2), Y(2).
Light Amplification Goggles:
Hold L and press Y(3), X.
Radiation Suit:
Hold L and press X, Y(3).
Walk through walls:
Hold L and press A, B, Y, X.
