Open the inventory and highlight the "Hints For
Videogames" book. Then, type one of the following codes to
activate the corresponding cheat function. Note: The latest patch
is required for these codes. They will not work on the original
version.
Effect Code
Unlimited health youlookinatme
Unlimited ammunition ifeelunusual
Immune to poison quicksuckitout
Listen to Darnley Microcorder patrickmarley
View credits ilovethisgamewhomadeit