Spawn: Armageddon
Level select
Pause the game and quickly press Up, Down, Left, Right, Left(2), Right(2). If you entered the code correctly, Spawn will speak.
All weapons
Pause the game and quickly press Up, Down, Left, Right, Left, Right, Left(2). If you entered the code correctly, Spawn will speak.
Infinite ammunition
Pause the game and quickly press Up, Down, Left, Right, Up, Left, Down, Right. If you entered the code correctly, Spawn will speak.
Infinite Necroplasm
Pause the game and quickly press Up, Down, Left, Right, Down, Left, Up, Right. If you entered the code correctly, Spawn will speak.
No blood
Pause the game and quickly press Up, Down, Left, Right, Up(4). If you entered the code correctly, Spawn will speak.
Unlock all comics
Pause the game and quickly press Up, Down, Left, Right, Right, Left(2), Up. If you entered the code correctly, Spawn will speak.
Unlock encyclopedia
Pause the game and quickly press Up, Down, Left, Right, Left, Right, Up, Down. If you entered the code correctly, Spawn will speak.
Easy Souls
On level 7 (Power Behind The Throne), fight all the demons and leave through the exit door. Then, turn around and go back. All of them will be back.
Defeating the Super Redeemer
When fighting the last Boss, the Super Redeemer, use the Brimstone Cannons. When you hit him, he will drop ammunition for various guns.