Mortal Kombat 3.
 No.  Code  Effect
   1  DM2A-JA3Y  From the main menu, press A or B or C twice
 to bring up each of the three secret menus.
   2  C5ZT-GA28  Player 1 takes all damage
   3  RHZT-G6T8  Player 2 takes all damage
   4  AMZT-GA5E  Both players take no damage
   5  ACXT-KA62  The first fight for player 1 is against Kano
   6  AGXT-KA62  The first fight for player 1 is against Sonya
   7  ALXT-KA62  The first fight for player 1 is against Jax
   8  ARXT-KA62  The first fight for player 1 is against Nightwolf
   9  AWXT-KA62  The first fight for player 1 is against Sub-Zero
 10  A0XT-KA62  The first fight for player 1 is against Stryker
 11  A4XT-KA62  The first fight for player 1 is against Sindel
 12  A8XT-KA62  The first fight for player 1 is against Sektor
 13  BCXT-KA62  The first fight for player 1 is against Cyrax
 14  BGXT-KA62  The first fight for player 1 is against Kung Lao
 15  BLXT-KA62  The first fight for player 1 is against Kabal
 16  BRXT-KA62  The first fight for player 1 is against Sheeva
 17  BWXT-KA62  The first fight for player 1 is against Shang Tsung
 18  B0XT-KA62  The first fight for player 1 is against Liu Kang
 19  B4XT-KA62  The first fight for player 1 is against Smoke
 20  B8XT-KA62  The first fight for player 1 is against Motaro
 21  CGXT-KA62  The first fight for player 1 is against Noob-Saibot  
 22  HW1T-KAA4 + AC1T-JAA6  All fights after 1st are against Kano
 23  HW1T-KAA4 + AG1T-JAA6  All fights after 1st are against Sonya
 24  HW1T-KAA4 + AL1T-JAA6  All fights after 1st are against Jax
 25  HW1T-KAA4 + AR1T-JAA6  All fights after 1st are against Nightwolf
 26  HW1T-KAA4 + AW1T-JAA6    All fights after 1st are against Sub-Zero
 27  HW1T-KAA4 + A01T-JAA6  All fights after 1st are against Stryker
 28  HW1T-KAA4 + A41T-JAA6  All fights after 1st are against Sindel
 29  HW1T-KAA4 + A81T-JAA6  All fights after 1st are against Sektor
 30  HW1T-KAA4 + BC1T-JAA6  All fights after 1st are against Cyrax
 31  HW1T-KAA4 + BG1T-JAA6  All fights after 1st are against Kung Lao
 32  HW1T-KAA4 + BL1T-JAA6  All fights after 1st are against Kabal
 33  HW1T-KAA4 + BR1T-JAA6  All fights after 1st are against Sheeva
 34  HW1T-KAA4 + BW1T-JAA6  All fights after 1st are against Shang Tsung
 35  HW1T-KAA4 + B01T-JAA6  All fights after 1st are against Liu Kang
 36  HW1T-KAA4 + B41T-JAA6  All fights after 1st are against Smoke
 37  HW1T-KAA4 + B81T-JAA6  All fights after 1st are against Motaro
 38  HW1T-KAA4 + CG1T-JAA6  All fights after 1st are against Noob-Saibot