Cheat mode: Choose the "Codes" selection at the "Options" menu. Then, enter one of the following codes to activate the corresponding cheat function. God mode: Enter "Vitruvian Man" as a code. Double health: Enter "Sacred Feminine" as a code. One hit fist kill: Enter "Phillips Exeter" as a code. One hit weapon kill: Enter "Royal Holloway" as a code. Level select: Enter "Clos Luce 1519" as a code. All Visual Database entries unlocked: Enter "Apocrypha" as a code. All bonuses unlocked: Enter "Et in Arcadia ego" as a code.