Quickly enter the following controller actions at the "Select Your Fighter" screen. A sound will confirm correct code entry. More than code can be enabled as long as only one is a character code.

Thirty kredits
Press Left, Up, Right, Down, Left + Select.

Triple time for fatality moves
Press Up(2), Left, Up, Down + Select.

Extra damage on attacks, near invincibility
Press Down, Up, Right, Up, Left + Select.

Fight against Smoke
Press Up, Left, Up(2), Right + Select.

Fight against Jade
Press Up, Down(2), Left, Right + Select.

Fight against Kintaro
Press Up, Down(2), Right, Right + Select.

Fight against Shao Kahn
Press Right, Up(2), Right, Left + Select.

Fight against Noob Saibot
Press Left, Up, Down(2), Right + Select.

Defeat opponent with two punches
Press Down, Up, Right, Up, Left, Select.

Win 250 consecutive matches in two player mode.

Win 50 two player matches to unlock Smoke.

Press Down after executing the Dead Pool fatality.

Hold Up on Liu Kang for player one (or Reptile for player two) and press Start.

Hold L + R before the Acclaim logo is displayed and keep the buttons held until it disappears.

Hold L + R, then press Start at the start/options screen.

Select a two player game. Hold Down + HP on controllers one and two after character selection. Release the buttons after the match starts.

If you want to do moves like the cpu characters just do the following...

Jax: hold down "A" for 5 secs. then let go to make a big punch in the ground.

Chineses guy starts with l but here: hold "A" 5 secs. to do an air kick. press the back from where you are and press "Y" at same time to throw fire!!

Blue girl: to spin fan press back from where you are and press "Y"

Frezing dude: press right where you are and press "Y" or "X" either one i forgot!!

Well thats all for now its been a long time scence i've played i might give more later.