Get the Looter Trophy by collecting all silver pieces, then press Square, X, Circle, X, Up, Down, Up, Down.

Get the Nephrack trophy by beating the game, then press Circle, Square, Triangle, X, L1, L1, Left, Left.

Beat the game, then press L1, L1, Circle, Circle, Down, Down, Up, Down.

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.

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.

Get the Machine trophy by defeating the Machine Boss, then press Down, Down, R1, R1, Up, X, Up, Circle.

Get the Werewolf trophy by defeating the Werewolf, then press Square, Square, Circle, Circle, Triangle, L1, L1.

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.

Get the Team Up trophy by beating the game with two players, then press Square, Square, Triangle, Square, L2, L2, Up, Down.

Get the Rogue Hunter trophy by defeating the Rogue Hunter, then press X, Triangle, Circle, Square, Triangle, Up, Down, Down.

Get the Warrior trophy by defeating all enemies in the Midtown level, then press Right, Right, Right, X, Up, Triangle, Up, Square.