Level skip
While playing the game, press Select to enter the journal screen, then press Right, Left, Right, Left, Right, Left, Square, Circle(2), Square(4), Circle(2). If you entered the code correctly, the screen will flash.

Invincibility
While playing the game, press Select to enter the journal screen, then press Left, Right(2), Left(2), Right(2), Left, Square(2). If you entered the code correctly, the screen will flash.

Infinite ammunition
While playing the game, press Select to enter the journal screen, then press Square, R2(2), Left, Right, Left, Right, Circle(2), Left, Right. If you entered the code correctly, the screen will flash. Alternately, press Left, Right, Left, Square, Triangle, Square(2), Triangle(2), Square, Triangle, Square(2), Triangle(2).

Infinite Spell Soul energy
While playing the game, press Select to enter the journal screen, then press Left, Right(2), Left(2), Right(2), Left, Circle(2). If you entered the code correctly, the screen will flash.

One shot kills
While playing the game, press Select to enter the journal screen, then press R2, Left, Right(4), Square(2). If you entered the code correctly, the screen will flash.

Rapid fire shotgun
While playing the game, press Select to enter the journal screen, then press L2, Left, R2, Left, Circle, Square, Circle, Square. If you entered the code correctly, the screen will flash.

Rapid fire Luger
While playing the game, press Select to enter the journal screen, then press R2, Left, L2, Left, Square, Circle, Square, Circle. If you entered the code correctly, the screen will flash.

Explosive Holy Bombs
While playing the game, press Select to enter the journal screen, then press Right, Left, Square, Circle, Square, Circle, Left, Right. If you entered the code correctly, the screen will flash.

Shoot small fireballs
While playing the game, press Select to enter the journal screen, then press Circle(3), Left, Right(2), Left, Right, Left. If you entered the code correctly, the screen will flash.

Shoot large fireballs
While playing the game, press Select to enter the journal screen, then press Circle(3), Left, Right(2), Left(2), Right. If you entered the code correctly, the screen will flash.

Shoot green fireballs
While playing the game, press Select to enter the journal screen, then press Circle(3), Left, Right(3), Left, Square(2). If you entered the code correctly, the screen will flash.

Shoot purple fireballs
While playing the game, press Select to enter the journal screen, then press Circle(3), Left, Right(3), Left, Circle(2). If you entered the code correctly, the screen will flash.

First person mode
While playing the game, press Select to enter the journal screen, then press R2, L2(2), R2, Left(2), Right(2). If you entered the code correctly, the screen will flash.

Blurry mode
While playing the game, press Select to enter the journal screen, then press Square, R2(2), Circle(2), Right(2). If you entered the code correctly, the screen will flash.

Big weapons
While playing the game, press Select to enter the journal screen, then press Left, Square(3), Triangle(3). If you entered the code correctly, the screen will flash.

Big demon heads
While playing the game, press Select to enter the journal screen, then press R2, Left, Right, Left(2), Right, Left, R2. If you entered the code correctly, the screen will flash.

Slow motion demons
While playing the game, press Select to enter the journal screen, then press Square, R2, Right, Circle(3), Left(2). If you entered the code correctly, the screen will flash.