Go to the television In Dutton's room at a point where you can see the close-up view. Type Kellyn to see a hidden video.
Advance in game:
Go to the skull load-in screen. Type the following case-sensitive text, with spaces as noted: Roberto Dan R Zaphod B [Space]
After you type Roberto, Stauf will say, " Duh.... that's not it Karl!". Ignore him, he is trying to trick you. After the B, type [Space], then any of the following letters to get to that point in the game:
A: End of disc one.
S: End of disc two.
D: End of disc three.
F: End of disc four.
E: The "Olive In Stein" riddle, good for using the Kellyn code.
G: The very end, at the "Let's Make A Real Deal" intermission sequence.
Bypass the introductorysequence:
Type PP during the monitor adjustment screen that displays a skull. Right-click at the title screen to bypass the introductory sequence.