Cheat option
Highlight the "Continue" selection on the options screen. Hold [Low Kick] + [Block] until the cheat option appears and the word "Outstanding" is spoken. The cheat options include "Endings", "Fatalities 1", "Fatalities 2", and "Level Fatalities". The "Level Fatalities" option will allow the spike fatality to be executed on any level.
Go to the practice menu. Highlight the "Difficulty" selection and hold [Low Kick] + [Block] until the cheat menu appears. Note: You can only choose one option ("Endings", "Fatalities 1", or "Fatalities 2"). Selecting them simultaneously has no effect.
Note: After enabling one of fatality option, at the end of a match when "Finish him" is spoken, press [Down] + [High Punch] to execute the corresponding fatality.
Alternate costumes
Press [Start] + any button to rotate the select screen pictures two times to enable each character's second costume, except for Sonya and Tanya. The select screen pictures must be rotated three times for those characters.
Fight as Goro
Successfully complete the game with Shinnok. Change Shinnok's costume, then select the invisible icon at the bottom of the character selection screen. Press [Up] [Up] [Up] [Left] to highlight Shinnok's icon, then press [Run] + [Block].
View biographies
Enter "Kombat Theatre" mode, highlight the desired character, and press [Block].