If you get fed up playing Shaolin Monks you can always enter this code and play the Mortal Kombat 2 arcade version. All you have to do is hold L2 at the 'Main' menu and press Square, Up, Down, Right, Left, R2, Square. You'll hear a confirmation sound if the code has been entered correctly and the game will then be available at the 'Kontent' menu. Alternatitely if you've got plenty of time on your hands you can unlock the game by completing ALL five of the Smoke missions.

At the 'Main' menu enter the following codes to unlock characters and modes

Unlock Sub-Zero for Story mode:
Hold L2 and input Square, Up, Down, L1, L1, Up, Square. Then release L2.

Unlock Scorpion for Story mode:
Hold L2 and enter Square, Up, L1, R1, Left, Right, Square. Then release L2.

Unlock Classic MKII mode:
Hold L2 and input Square, Up, Down, Left, Right, R2, Square. Then release L2.

Scorpion in 'Story' mode:
Beat the game with Liu Kang

Sub-Zero for 'Single Player' mode:
Beat the game once with kung Lao


Unlock Kung Lao Fatalities (Story Mode):

Fatality 1 - Left, Up, Right, Right, Square

Fatality 2 (Body Slice) - Right, Right, Right, Right, Square

Fatality 3 (Mild Air Slice) - Up, Up, Up, Right, Square

Fatality 4 (Friendly Rabbit) - Up, Up, Up, Down, Square

Fatality 5 (Arm Cutter) - Left, Right, Left, Down, Square

Fatality 6 (Head Toss) - Left, Right, Left, Left, Square

Fatality 7 (Many Chops) - Up, Up, Left, Up, Square

Fatality 8 (Headache) - Up, Down, Up, Right, Square

Fatality 9 - Right, Right, Up, Up, Square

Mutality 1 (Tornado) - Up, Right, Down, Left, Triangle

Mutality 2 (Hat Control) - Left, Right, Right, Left, Triangle

Brutality 1 - Left, Left, Up, Up, Circle


Unlock Liu-Kang Fatalities (Story Mode):

Fatality 1 - Down, Left, Right, Up, Square

Fatality 2 (Shaolin Soccer)- Down, Left, Up, Right, Square

Fatality 3 (Bonebreaker Combo) - Left, Up, Up, Right, Square

Fatality 4 - Left, Right, Down, Down, Square

Fatality 5 (Flipping Uppercut) - Up, Right, Down, Left, Square

Fatality 6 (Dragon) - Down, Right, Left, Left, Square

Fatality 7 (Giant Stomp) - Left, Left, Left, Up, Square

Fatality 8 - Right, Up, Right, Up, Square

Mutality 1 (Fire Trails) - Up, Down, Up, Down, Triangle

Brutality 1 (Rage Mode) - Right, Up, Down, Down, Circle


Unlock Sub-Zero Fatalities (Story Mode):

Fatality 1 - Right, Down, Right, Right, Square

Fatality 2 - Left, Left, Down, Right, Square

Fatality 3: Right, Right, Down, Right, Square

Mutality 1: Up, Up, Down, Up, Triangle


Unlock Scorpion Fatalities (Story Mode):

Fatality 1 (Flame) - Up, Up, Down, Down, Square

Fatality 2 - Right, Down, Right, Right, Square

Mutality 1 (Raise Hell) - Down, Down, Down, Up, Triangle


Unlock Baraka Fatalities (VS Mode):

Fatality 1 (Blade Lift) - Down, Left, Right, Right, Square

Fatality 2 - Left, Left, Left, Left, Square


Unlock Johnny Cage Fatalities (VS Mode):

Fatality 1 (Torso Rip) - Down, Down, Right, Right, Square

Fatality 2 - Right, Right, Right, Right, Square


Unlock Kitana Fatalities (VS Mode):

Fatality 1 (Head Chop) - Left, Left, Right, Right, Square

Fatality 2 (Kiss of Death) - Right, Right, Right, Right, Square


Unlock Reptile Fatalities (VS Mode):

Fatality 1 (Hidden Eat) - Left, Right, Left, Down, Square

Fatality 2 (Hidden Chomp) - Left, Left, Left, Down, Square