Level select
Hold [L] and press [Down], [Up], [Left]x2,
[B], [Right], [Down], [X] at the main menu.
Unlimited health
Pause game play, then hold [L] and press [Y],
[X], [Y], [X], [Y], [B], [Y], [B].
All weapons
Hold [L] and press [X], [B], [Down],
[Left], [B]x2, [Y] at the main menu.
Daywalker difficulty setting
Hold [L] and press [Left], [B], [Up],
[Down], [X], [B], [A] at the main menu.