Cheat
AT THE OPTION SCREEN PUT THE CURSOR ON DONE THEN PRESS LEFT, DOWN, LEFT, RIGHT, DOWN, RIGHT, LEFT, LEFT, RIGHT, RIGHT,
Fergality
To do a fergality, enter Test Mode, then change the background to 6 and enable the "Ooh Nasty" option. Next choose Rayden as your character and finish your opponent with Away, Away, Away, Block.
Fight Jade
To fight Jade, make your way to the match before the question mark. Defeat your opponent with only the Low Kick button and your joystick. If you succeed, Jade will be your next opponent.
Fight Smoke
On the red portal stage, keep doing upper cuts until Dan "Toasty" Forden (the guy who always says toasty) comes out. Then very quickly, press Down + Start. You will then be able to fight Smoke.
Ping Pong
Beat a second player 250 matches in a row and you will be transported to another dimension where the two fighters become ping pong rackets. You and your opponent will then play a brief game of ping pong before being transported back to the normal fighting.
Pizza Man
Activate Test Mode (see below) and choose NO DAMAGE TO PLAYER 1. Then enter the contest with Shang Tsung. When the guy who says "Toasty" comes out he will resemble a pizza like creature.
Play As Smoke
To play as Smoke, you must have a Game Genie. Attach Mortal Kombat 2 to the Game Genie and enter the password: B4MT-BE76. Start the game,then switch to Controller two. Choose your character, and when you go into battle you will be Smoke.
Warp To Shao Kahn
At the Options menu, press A, B, C, C, C, B, B, A, A, A, A. When Shao Kahn appears, quickly press B to go to the final stage.