The following are known Game Genie Codes for Bare Knuckle III on SEGA Genesis.

• Master Code – Must Be On
  CABT-AA5Y
• Region Bypass Code
  AJBT-AA6Y
  Note: This allows you to play the Japanese version of the game on a US Genesis console.
• Override Anti-Lockout Code For US System
  AABT-AA5L
  DJBT-AADN
  RYDA-A608
  AJDA-AAHA
• Shorter Anti-Lockout Code (Different Code)
  RYDA-A608
• Invincible
  AGFT-APV8
• Infinite Lives
  AXDA-AA34
• Infinite Continues
  AMDA-AA76
• No HP Loss From Special Attack
  RHPT-A6WC
• Play As Ash
  BA3T-AAGN
• Weird Music
  AA4A-AAFN
• Character Change In-Game
  AA3T-AAGN
• Stage Select
  GT3T-AAGW
  Note: Turn off the Game Genie when you get to the Stage Select Screen.