Low on health? Just go to any save point and activate it. If you are real low on health, you might have to do it several times as it only restores a little at a time.

Unlock Sub-Zero: Hold L2 and push square down,up, L1, L1, up, square, then release L2, you should hear a beep and you should have him unlocked.

Unlock Scorpion: Hold L2 and push square, up, L1, R1, left, right, square, then release L2, you should hear a beep and you have scorpion unlocked.

Unlock MK 2: Hold L2 and push square, up, down, right, left, R2, square then release L2, you should hear a beep and have MK 2 in kontent unlocked.

Go 2 the main menu and hold L2 then press square up L1 R1 left right square then let go of L2 and go 2 1 player or ko and see if you can pick scorp if not try it again cause I did it.

F - Forward
B - Backward
D - Down
U - Up
HP - High Punch
LP - Low Punch
HK - High Kick
LK - Low Kick
BL - Block
(Note: When a fatality contains 'Up', press Block to stay on the ground)

Sub-Zero
Fatality 1: F F D HK (Sweep) then F D F F HP (Close)
Fatality 2: (Hold LP) B B D F (Release LP) (One Screen Away)
Friendship: B B D HK
Babality: D B B HK
Stage: D F F BL

Scorpion
Fatality 1: U U HP (Two people distance)
Fatality 2: (Hold HP) F D F F F Release (Close)
Friendship: B B D HK
Babality: D B B HK
Stage: D F F BL

Baraka
Fatality 1: B B B B HP (Close and hold BL while inputting directions then release when you press HP)
Fatality 2: B F D F LP (Close)
Friendship: U U F F HK
Babality: F F F HK
Stage: F F D HK

Liu Kang
Fatality 1: D F B B HK (Close)
Fatality 2: Rotate D-Pad Counter-Clockwise from opponent (Close) (Hold BL)
Friendship: F B B B LK
Babality: D D F B LK
Stage: B F F LK

Kung Lao
Fatality 1: F F F LK (Sweep)
Fatality 2: (Hold LP) B F Release (And control the hat) (One Screen Away)
Friendship: B B B D HK
Babality: B B F F HK
Stage: F F F HP

Mileena
Fatality 1: F B F LP (Close)
Fatality 2: Hold HK for 5 seconds and release (Close)
Friendship: D D D U HK
Babality: D D D HK
Stage: F D F LK

Kitana:
Fatality 1: BL BL BL HK (CLose)
Fatality 2: Hold LK F F D F Release (Close)
Friendship: D D D U LK
Babality: D D D LK
Stage: F D F HK

JohnnyCage
Fatality 1: D D F F LP (Close)
Fatality 2: F F D U (Close) (Press D+LP+LK+BL to knock down 3 heads)
Friendship: D D D D HK
Babality: B B B HK
Stage: D D D HK

Reptile
Fatality 1: B B D LP (Jump distance)
Fatality 2: F F D HK (Close) (Perform while invisible)
Friendship: B B D LP
Babality: D B B LP
Stage: D D F F BL

Jax
Fatality 1: BL BL BL BL LP (Sweep)
Fatality 2: (Hold LP) F F F Release (One Step Away)
Friendship: D D U U LK
Babality: D U D U LK
Stage: U U D LK

Rayden
Fatality 1: Hold LK for 3 seconds release then quickly tap LK + BL (Close)
Fatality 2:Hold HP for 10 seconds then release (Close)
Friendship: D B F HK
Babality: D D U HK
Stage: U U U HP

Shang Tsung
Fatality 1: Hold HK for 2 seconds then release (Sweep)
Fatality 2: U D U LK (Close)
Fatality 3: Hold LP for 30 seconds then release (I Think Close)
Friendship: B B D F HK
Babality: B F D HK
Stage: (Hold BL) D D U Release Down

Have a Lot of Fun with Mortal Kombat 2 :)
Dead Pool Fatality with everyone: Hold LK + LP and move to the opponent, then uppercut him/her.

At the main menu screen, press and hold L2, then enter square, up, L1, R1, left, right, square.

Hold L2 while inputing code and release at the end.
Square, Up, L1, R1, Left, Right, Square
If put in correctly a sound is heard afterwords.