Hidden vs. CPU option:
Enter DOAKSIM or STKZJGH as a password.
More options:
Enter one the following passwords to activate unlimited continues, all
Bosses in Boss mode, all Drill mode levels, and all CPU characters in vs.
CPU mode.
KIKMAHP
DKRORCR
STKZJGH
Unlimited continues option:
Enter POQRTJC as a password.
9 continues option:
Enter DEBTINU as a password.
5 lives option:
Enter TORAMAN as a password.
Start at final chapter:
Enter TMTSINO as a password.