Typing of the Dead Sega Dreamcast cheats

Unlock Hidden Vs. CPU Option
Enter the following password: DOAKSIM





Unlock Extra Options
To unlock extra options like Infinite Continues, All CPU Characters in Vs. CPU Mode, All Bosses In Boss Mode, and All Drill Mode Levels, enter any of the following passwords:

STKZJGH
KIKMAHP
DKRORCR