Cheat menu
 
 Select any game. Then, before the game is started, hold L1 + L2 + R1 + R2 and
 press Select. Now repeat this code two times to access the "Operators Options
 Screen". Various options including the number of starting lives, and difficulty
 may be adjusted for any of the games.
 
 Mortal Kombat 3 sounds
 
 The Williams Arcade's Greatest Hits disc contains sounds from Mortal Kombat 3.
 Turn on the PlayStation without a CD. Then when the main menu appears, select
 the CD Player. Load the disc. Now two tracks will be displayed. Play track two
 for five minutes and twenty seconds of character names with wins and flawless
 victories.
 
  Game Shark Codez:
 
                 
  Defender 1                    
                 
  Infinite Lives P1             
  801BA1C8 0200
                 
  Infinite Smart Bombs P1       
  801BA1CA 0301
                 
  Infinite Smart Bombs P2       
  801BAC08 0A03
                 
  Infinite Lives P2             
  801BA206 0103
                 
  Defender 2                    
                 
  Infinite Lives P1             
  801BBDDE 0120
                 
  Infinite Lives P2             
  801BBE1C 0300
                 
  Player 1 Infinite Smart Bombs 
  801BBDE0 0301
                 
  Player 1 Invisibility         
  801BBDE0 1E00
                 
  Player 2 Infinite Smart Bombs 
  801BBE1E 0301
                 
  Player 2 Invisibility         
  801BBE20 0A1E
                 
  Joust                         
                 
  Infinite Lives P1             
  801BA050 0400
  801BA052 0005
                 
  Infinite Lives P2             
  801BA05A 0400
  801BA05C 0005
                 
  Robotron 2084                 
                 
  Infinite Lives P1             
  801BBDEC 0102
                 
  Infinite Lives P2             
  801BBE28 0103
                 
  Sinistar                      
                 
  Infinite Sinibombs P1         
  801BA012 0900
                 
  Infinite Lives P1             
  801B9FFC 0003