Doom
Last Updated On: April 8, 2002

God Mode
On the pause screen, hold L and R and press A, A, B, A, A, A, A, A.

Invincibility
On the pause screen, hold L and R and press B, B, B, A, A, A, A, A.

All Weapons
On the pause screen, hold L and R and press A, B, B, A, A, A, A, A.

Berserk Mode
On the pause screen, hold L and R and press B, A, B, A, A, A, A, A.

Level Skip
On the pause screen, hold L and R and press A, B, A, A, B, B, A, A.

Radiation Shielding Suit
On the pause screen, hold L and R and press B, B, A, A, A, A, A, A.

Computer Area Map
On the pause screen, hold L and R and press B, A, A, A, A, A, A, A.