PC - Windows Cheats: Mortal Kombat Cheats

Cheat mode:
Press [F10] to enter the setup menu. Hold [Shift] and type DIP to display a set of dip switches that can alter game play. Turn on one of the following dip switches to activate the corresponding cheat function. Note: the game may need to be restarted in order for some codes to be completely enabled.

Result - Switch:

Toggle fatalities - 1
Toggle blood - 2
Toggle comic book offer - 3
Toggle CPU fatalities 4-
Toggle unlimited continues - 5
Slow CPU recovery - 6