On the character select screen, go to the character whom you would like to use first stage, press Start 3 times, then go to the random select box, press Start 5 times, then push any punch or kick button.
Dark Talbain/Dark Gallon
On the character select screen, go to J.Talbain/Gallon, press start and all 3 punches simultaneously. The timing has to be exact.
Extra battle
If you make 3 EX FINISH without losing a round, a character will challenge you. It will be harder than the typical computer player.
Soul mode
On the character select screen, go to the random select box, press Start 5 times, then push any punch or kick button.