Mortal Kombat Armageddon Cheats :
PlAy as 0
There is a Debug character known as "0", with a fighting style called, "Bug This". The look of the character is that of an unaltered female Create-A-Fighter. In order to use said character, start up a 2-Player game. From there, try to switch profiles while selecting your created fighter. If done correctly, when you go into the fight, you'll be playing as "0".