Hidden Character Outfits:
At the character-select screen, highlight any character listed below and input the following button presses to get their secret outfits:

Hold Start and press Square + Triangle + R1 twice - Scorpion
Hold Start and press Triangle + R1 + Circle twice - Raiden
Hold Start and press X + R1 + Circle twice - Reptile
Hold Start and press X + Square + L1 twice - Sonya
Hold Start and press L1 + R1 + Square twice - Sub-Zero
Hold Start and press Triangle + R1 + Circle three times - Liu Kang
Hold Start and press Square + R1 + Circle three times - Kai
Hold Start and press L1 + X + Circle twice - Johnny Cage
Hold Start and press L1 + X + R1 twice - Jax
Hold Start and press Triangle + Circle + Square - Tanya

Play as Goro:
Select the invisible icon at the bottom of the character selection screen. Press Up, Up, Up, Left to highlight Shinnok's icon, then press Run + Block. Before doing the Code, you must beat the game with Shinnok.

Secret Characters:
Enter the Secret Cheat Menu, then start a game and at the character select screen highlight the hidden box at the bottom of the screen, the press square and continue to hold it.

Goro - Move the invisible cursor up to Shinnok, and press the 'run' button and continue holding it until the fight starts

Noob Saibot - Move the invisible cursor to Reiko, press the run buttn and continue holding it until the fight starts

Secret Cheat Menu:
Start a 2 player game and at the versus screen do the following: Player one: LP three times, LK twice. Player two: LP twice, Block once, LK three times. When the match start, pause, and exit the to the main menu. Select Options, highlight ''Vs Screen Enabled'' and hold Run + Block. After a few seconds, you'll hear a laugh, continue to hold the buttons down until the Cheats menu appears.

Johnny Cage secret weapon:
Start a one player game. Then highlight Johnny Cage and hold start and press X until three Ying-Yang simbols have passed. Let go of start and press X. If done correctly, Johnny Cage will be dressed in a James Bond style tuxedo. Now, simply pull out Johnny's weapon and instead of a bowie knife, Johnny will have Bond's PP7 pistol! This weapon shoots just like Fujin's weapon.