Alternate costumes
Highlight a fighter and press Start at the character selection screen.
Change arcade mode opponent order
Select arcade mode and any fighter. Choose a destiny, but do not press A. Press Start to rotate the tower and change opponents.
Cheat Menu
At the Title screen, press Up, Up, Down, Down, Left, Left, Right, Right. If done correctly, the announcer will say Outstanding. Press Start to go to the Main Menu, move to Options and press L + R.
Play as Goro
Enter the code above for the Cheat Menu. At the Cheat Menu, select Hidden and choose Shinnok with Block + Run.
Play as Noob
Enter the code above for the Cheat Menu. At the Cheat Menu, select Hidden and choose Reiko with Block + Run.
Play as Sektor
Enter the code above for the Cheat Menu. At the Cheat Menu, select Hidden and choose Cyrax with Block + Run.
Combos
Sektor:
HP, HP, HK, Down + HP, Jugle your opponent with 2 standing high punches, teleport, Jumping high kick. 10 HITS 41% Damage.
Goro:
Jump at your opponent with 2 standing high punch, HP, HP, HK, Down+HP, Run forward and peform 2 standing high punches, Firball. 8 HITS 35% Damage.
Noob Saibot:
HP, HP, HK, HK, Draw Weapon. 5 HITS 25% Damage.
Pit Fatality Glitch
Enter the code for the Cheat Menu. With this enabled, turn on your "Pit Fatality" Cheat. When you go to do a Pit Fatality, with the Cheat turned on, Press and Hold: Down+Y+X+B+A. Keep them held down until you see your opponent fall off the spikes. Then you will hear the ever famous "Toasty".
Play as Goro
Highlight "HIDDEN" at the character selection screen. Press and hold L + R. Press Up, left, A.
Play as Kintaro from Mortal Kombat 2
First you must activate the Cheat Menu. Then go to the bottom of the select screen and highlight "Hidden". Press Up, Up, Up, Up, Down, Down, Down, Right, Left, Left, Left, then press A.
Play as Noob Saibot
Highlight "HIDDEN" at character selection screen. Press and hold L + R. Press Up, Up, Left, Left, Left, Left, A.
Play as Sektor
Highlight "HIDDEN" at character selection screen. Press and hold L + R. Press Up,Up, Up, Up, Left, Left, Left, Left, A.
Skip credits
After you beat the game the credits will come on.Instead of turning on and off your system you could just press and hold A, B, X, Y and then press start.It will skip the credits and bring you to the,press start screen.