Doom II: Hell on Earth Cheats & Tips

All Weapons, Keys, Items Pause the game.
Then hold L + R (shoulder buttons) as you enter the following code:
A, B, B, A, A, A, A, A

Beserk Mode Pause the game.
Then hold L + R (shoulder buttons) as you enter the following code:
B, A, B, A, A, A, A, A

Computer Map Pause the game.
Then hold L + R (shoulder buttons) as you enter the following code:
B, A, A, A, A, A, A, A

God Mode Pause the game.
Then hold L + R (shoulder buttons) as you enter the following code:
A, A, B, A, A, A, A, A

Invincible Pause the game.
Then hold L + R (shoulder buttons) as you enter the following code:
B, B, B, A, A, A, A, A

Level Advance Pause the game.
Then hold L + R (shoulder buttons) as you enter the following code:
A, B, A, A, B, B, A, A

Radiation Suit Pause the game.
Then hold L + R (shoulder buttons) as you enter the following code:
B, B, A, A, A, A, A, A

Press pause, then hold L+R, then enter the following codes:

All Weapons: A, B[x2], A[x5]

Pause, and hold L+R

Berserk - press B, A, B, A[x5]

Pause, then hold L+R

Computer Map: B, A[x7]

Pause then hold L+R, then press A[x2], B, A[x5]

Pause, then hold L+R, then press, B[x2], A[x6]