Dancing llamas:
Hold N and type llama mamma during game play.

Hidden message:
Type king brian scene during game play for a reminder message about the game's ending sequence.

Hidden mini-game:
Type lobstergirl at the screen immediately after running away.

Nude witch:
Type noleaf in witch village and Loimbard.

Unlimited swallows:
Hold C and type nee during game play.

View FMV sequences:
Type allclips in the Book of the Game. Open the "Grail Vision" page to view al FMV sequences.

Visit any location:
Type uranus at the options screen with the "Get The Grail", "See The Film", and "Register" selections. All right arrows will be turned on, and any location on the map may be visited.