Mortal Kombat Trilogy: Cheat Codes

1) Choosing The Kombat Zone Secret Arena:

On the Character Selection Screen, Mouse Over to Sonya and Press Up + Start

2) Playing Chameleon Secret Character

ON THE CHARACTER SELECTION SCREEN, MOUSE OVER ANY OF THE NINJA DRESSED
In Masks (Scorpio, Reptile, Sab-Ziro,…). HOLD AND HOLD DOWN
Keys Back, Lower ARM ARM AND UPPER ARM ARM AS LONG AS
Round Will Not Start.