Unlock Sub-zero and Scorpion.
Enter these codes on the main menu screen. PAL version only.
|Hold L2 press: square, down, up, L1, L1, up, square release L2||Unlock Sub-Zero|
|Hold L2 press: square, up, L1, R1, left, right, square release L2||Unlock Scorpion|
Unlock Mortal Kombat II Arcade
*Does not work for the PAL version of the game.* Enter this code while on the main menu screen. You should hear a sound if you entered it correctly.
|Hold the L2 Button down and press Square, Up, Down, Right, Left, R2 and Square||Unlocks Mortal Kombat II Arcade in the Kontent section|