Human Smoke
Complete the game using the warrior difficulty setting. Begin a new game and highlight the unknown square at the character selection screen to choose Human Smoke.
Motaro
Complete the game using the master difficulty setting. Begin a new game and highlight the unknown square at the character selection screen to choose Motaro.
Shao Khan
Complete the game using the supreme master difficulty setting. Begin a new game and highlight the unknown square at the character selection screen to choose Shao Khan.