Get the cheat menu by holding LOW KICK + BLOCK {10 sec.} in the 'Practice' menu, on 'Difficulty...' After that, go to 'Select your Fighter and select hidden.

When you get there you can put something on or off. Pay attention that you can only put on one thing. The first one has priority on the second an the second on the third etc.

To do the one button fatality, push down + HIGH PUNCH. Distance has no importance except for the pit fatalities, there you have to stand close.

For the secret fighters go to "select your fighters" and click on hidden.

Go with your invisible cursor (still on hidden) to Reiko for Noob Saibot and push BLOCK + RUN to select

Go with your invisible cursor to Shinnok for Goro and push RUN + BLOCK to select

Secret Fighters + 1 Button Fatality

Alternative Costume

To get another outfit go to the fighter and hold 'start' and push RUN to turn. You have to turn several times, but you'll find the full explanation on the 'detailed' page.

Kai --> motorcyclist

Raiden --> golden strips

Lui Kang --> karate outfit

Reptile --> classic Reptile outfit

Scorpion --> grey costume, skull-head

Jax --> white battlesuit

Johnny Cage --> dinner jacket (other weapon: gun)

Tanya --> black costume

Sub Zero --> frozen limbs

Sonya --> purple costume, no cap

Noob Saibot --> more white tints

Dwarffighting (Big head's, hands and foots).

This code is a Vs. Screen code. The fighters have big heads, hands and foots until you go back to the main menu.

To play as Meat

Play out the 'group' item in 'select your fighter' and after that select any fighter and he/she will be dressed as Meat (I've played with Raiden on the screenshots below).