Cheat:

 Open the setup menu by pressing F10

 Hold down shift while typing DIP.
 This pops up a DIP-switch menu which you can alter at will.

 Their purpose:

 Switch 1:Fatalities on/off
 Switch 2:Blood On/Off
 Switch 3:Comic Book Offer On/Off
 Switch 4:CPU Fatalities on/off
 Switch 5:Freeplay on/off