Play as Meat
Enter "Group Mode" and beat the game with all sixteen characters. After this has been accomplished, select any character and begin a match. Then your character will play as Meat with all the moves of the character that was selected.

Play as Goro
Beat the game with Shinnok and save the game. Enable the "Cheat menu" code. Then, select the "Invisible" icon at the bottom of the character selection screen. Press Up(3), Left to highlight Shinnok's icon, then press Run + Block.

Play as Noob Saibot
Beat the game with Reiko. Then, select versus mode and enter 012 012 as a Kombat Kode. Exit the match and enter the character selection screen. Select the "Invisible" icon at the bottom of the character selection screen. Press Up(2), and Left to highlight Reiko's icon, then press Run + Block.Endings
Enable the "Endings" option on the cheat menu. Then to see a character's ending, start a game in arcade mode and defeat just one character.

Fatalities 1
Enable the "Fatalities 1" option on the cheat menu. Then to finish your opponent, hold Down and press High Punch. This will let any character perform their first fatality.

Fatalities 2
Enable the "Fatalities 2" option on the cheat menu. Then to finish your opponent, hold Down and press High Punch. This will let any character perform their second fatality.

Level Fatalities
Enable the "Level Fatalities" option on the cheat menu. Then to finish your opponent, hold Down and press High Punch. This will let any character perform their level fatality.

New weapon
Beat the game with Kai. Then, start a new game with Kai and his weapon will be Raiden's lighting staff.

View biographies
Enter "Kombat Theatre" mode, highlight the desired character, and press Block.

Alternate costumes
At the character selection screen, highlight a fighter, hold Block and press any button two times to rotate their select screen picture and enable their second costume, except for Sonya and Tanya. The select screen pictures must be rotated three times for those characters. Rotate any other character’s picture three times to enable their third costume.

Alternate weapons
Enable a character's third costume to fight with their alternate weapon.

Kombat Kodes
Enter one of the following codes at the versus mode screen to activate the corresponding cheat function. There are two three-digit icon boxes at the bottom of the screen. The first icon in each box is controlled with Low Punch, the second with Block, and the third with Low Kick.

Result - Code
One-hit win - 123 123
Noob Saibot mode - 012 012
Red Rain (On the Rain stage) - 020 020
Explosive Kombat - 050 050
Drawn weapons can not be lost - 002 002
Disable throws - 100 100
Disable max damage - 010 010
Disable throws and max damage - 110 110
Random weapon appears - 111 111
Start with random weapon - 222 222
Start with weapons drawn - 444 444
Many weapons - 555 555
Silent Kombat - 666 666
Big heads - 321 321
Fight in Goro's Lair (Spike Pit) - 011 011
Fight in The Well (Scorpion's Stage) - 022 022
Fight in Elder God's (Blue Face) stage - 033 033
Fight in Tomb Stage - 044 044
Fight in Rain Stage - 055 055
Fight in Snake Stage - 066 066
Fight in Shaolin Temple - 101 101
Fight in Living Forest - 202 202
Fight in Prison (Fan Stage) - 303 303
Fight in Ice Pit - 313 313