Spawn: Armageddon
Pause the game, then press:
Up, Down, Left, Right, Up, Up, Up, Up – No blood
Up, Down, Left, Right, Right, Left, Left, Up – Unlock all comics
Up, Down, Left, Right, Left, Right, Up, Down – Unlock encyclopedia
Up, Down, Left, Right, Left, Left, Right, Right – Level select
Up, Down, Left, Right, Left, Right, Left, Left – All weapons
Up, Down, Left, Right, Up, Left, Down, Right – Unlimited ammunition
Up, Down, Left, Right, Down, Left, Up, Right – Unlimited Necroplasm