Mortal Kombat Trilogy PS Cheats

At the Options screen: Hold Up, R1, R2, L1, L2 until the screen shakes. Now, you 
can perform one button Fatalities:





HP: Brutality


HK: Fatality 1


LK: Fatality 2


LP: Pit


R1: Friendship


R2: Animality


L2: Babality


To get Chameleon:


At the character select screen, pick any male ninja and hold
 left, triangle, square, R1 and R2 until fighting starts. Your character should
explode into Chameleon!


Background select:


Hold up and press Start on Sonya. The screen should shake and after you pick your fighter,
you get to pick your background.


Playas old characters:


Press Select while choosing  Kung Lao, Jax, Rayden, and Kano to play as the old versions.
 



  Thanks to Revolution readers Sarin Kuy, Tim Shelton, Evan Merritt and Kevin 
  Mackie!