www.youtube.com/watch?v=0WK1Ec-KVVQ
A dedicated fan of the arcade classic Mortal Kombat recently discovered a secret menu hidden within the game that allows players to manipulate high scores, view the endings for characters and play a brutal, Galaga-like mini-game.
The EJB Menu — named and created by programmer and co-creator of the series, Edward. J. Boon — is accessed by pressing the player one and player two “start” buttons on Mortal Kombat one, two or three. The code is entered in rapid succession as follows: P1 (x5), P2 (x10), P1 (x2), P2 (x1), P1 (x2), P2 (x3), P1 (x4).
Entering this also gives crafty players access to diagnostic tests, bookkeeping information and a game audit that looks for issues like chip failure, frame errors and lockups.

So for any of you who still have one of these pixelated gore-machines on location, try the code out and see this long-hidden secret for yourself! Watch below or click over to the original video at this link: www.youtube.com/watch?v=0WK1Ec-KVVQ.