The Typing of The Dead [DC]

Vs. CPU Mode
To unlock the Vs. CPU Mode, type in PERKINS at the password screen. In this Mode, you compete with computer opponents to get a higher score on each Chapter.

Hidden vs. CPU option
Enter "DOAKSIM" as a password.

More options
Enter one the following passwords to activate infinite continues, all Bosses in Boss mode, all Drill mode levels, and all CPU characters in vs. CPU mode:

KIKMAHP
DKRORCR
STKZJGH

Dancing Zombies
During the credits, you'll notice that the names are on two rows, just like the phrases you type in the game.

Type in all the names in a section (IE: Programmers, Special Thanks, etc...) to see zombies doing some serious dancing. ''Thriller'', anyone?