Enable Cheats:
Get the Nephrack trophy by beating the game, then press Circle, Square, Triangle, X, L1, L1, Left, Left.
Mega Melee Damage:
Get the Machine trophy by defeating the Machine Boss, then press Down, Down, R1, R1, Up, X, Up, Circle.
Unlimited Life:
Get the Warrior trophy by defeating all enemies in the Midtown level, then press Right, Right, Right, X, Up, Triangle, Up, Square.
Monster Spawning:
Get the Werewolf trophy by defeating the Werewolf, then press Square, Square, Circle, Circle, Triangle, L1, L1.
Tougher Monsters:
Get the Team Up trophy by beating the game with two players, then press Square, Square, Triangle, Square, L2, L2, Up, Down.
All Weapons:
Get the Looter Trophy by collecting all silver pieces, then press Square, X, Circle, X, Up, Down, Up, Down.
Improve Edges:
Beat the game, then press L1, L1, Circle, Circle, Down, Down, Up, Down.
No Conviction Cost For Edges:
Get the Life Saver trophy by saving all Innocents in the lower part of the Prison Hospital level, then press L2, Up, X, Up, Square, Down, Down.
Max Health:
Get the Pit Fighter trophy by killing all enemies in the Downtown level with the starting melee weapon, then press Triangle, Triangle, Circle, Circle, Square, L1, Square, R1.
Max Ammo:
Get the Gun Bunny trophy by killing all enemies in the Downtown level with the starting ranged weapon, then press Right, Right, Right, Right, Up, Down, Up, Down.
Unlimited Ammo:
Get the Rogue Hunter trophy by defeating the Rogue Hunter, then press X, Triangle, Circle, Square, Triangle, Up, Down, Down.
