The Ultimate Kombat Kode: Wait for the Mortal Kombat 3 copyright screen to appear. On Controller One hold R1 and press Right, Down, Left, Up, Right, Down, Left, Up. This takes you to a screen where you can enter the code. On Controller One, press R1 once, Triangle six times, Circle nine times, and X six times. Now you can play as Smoke.
Special Options Screen: At the trademark screen, press Square, X, Circle, Triangle, R1, R1, R2, R2, R1, R1. You should hear Shao Kahn say, "You will never win." Then press Up when the screen with the spinning MK 3 logo on the cube that says "Kombat" is onscreen. A question mark appears. Utilize this option for a plethora of cheats, including playing as Smoke and unlimited credits.