The following are known Game Genie Codes for Ex-Mutants on SEGA Genesis.

• Infinite HP
  A5YA-AA8T
• Infinite HP
  R1YA-A60J
• Bosses Die Instantly
  ACET-DJ8G
• Infinite Bombs (Weapon 1)
  AW3A-CA6N
• Infinite Shots (Weapon 2)
  AW2A-CA46
• Invincible Against The Gas In The Tunnel (The 1st Part of The Last Level)
  RGNA-A6TJ
• Invincible Against Dangerous Zones (Lava, Spikes, Etc)
  PMMA-AA3L
• Invincible Against ‘Small’ Objects (Bullets, Etc)
  CXNT-AN2G
• Invincible Against Explosions
  ADSA-AA2N
• Invincible Against ‘Big’ Objects (Bodies of Enemies, Etc)
  ADTT-AA5C
• Infinite Jump
  FCHA-AA6Y
• Debugger Code
  ADJT-AA3L
  DWCA-AA7A
  ADJT-AA5G
  GLCA-AA36
  ACAT-AA8W
  AMHT-AA88
  Note: This code only works on an emulator and is too complex for a physical Game Genie.