When you are playing the game, go to the “options” and select “codes”. Now you can use one of the following codes to enable the corresponding effect:
IPULATOR: get all levels
DEXTERCROWLEY: get all movies
SIRULLY: get all gallery
DOGTAGS: get all skills
SHARDESOFGLASS: get Black Book
STATEYOURNAME: get all characters
BABYLONTRUST: Max health
VANCEDALLISTER: Max skills
MARCUSECKOS: Infinite health
FLIPTHESCRIPT: Infinite skills
NINESIX: get all legends
WORKBITCHES: get all beat down arenas
GRANDACELIA: iPod