The following are known Game Genie Codes for Fire Shark on SEGA Genesis.

• 9TEA-BGKC + AYEA-AABE
  Start with 5 lives
• 9TEA-BGKC + A2EA-AABE
  Start with 6 lives
• 9TEA-BGKC + A6EA-AABE
  Start with 7 lives
• 9TEA-BGKC + BAEA-AABE
  Start with 8 lives
• 9TEA-BGKC + BEEA-AABE
  Start with 9 lives
• ATEA-AA5J
  Infinite lives
• AFMT-AAEC
  Start with 1 bomb
• AZMT-AAEC
  Start with 5 bombs
• A7MT-AAEC
  Start with 7 bombs
• BFMT-AAEC
  Start with 9 bombs
• AFMT-AACC
  Start with 1 bomb after losing a life
• AZMT-AACC
  Start with 5 bombs after losing a life
• A7MT-AACC
  Start with 7 bombs after losing a life
• BFMT-AACC
  Start with 9 bombs after losing a life
• AK8T-AA4L
  Infinite bombs
• ANEA-BE2A
  Start with 4 credits
• A6EA-BE2A
  Start with 8 credits
• BEEA-BE2A
  Start with 10 credits
• DEEA-BE2A
  Start with 26 credits
• GJEA-BE2A
  Start with 51 credits
• NNEA-BE2A
  Start with 100 credits
• ATFA-AA3R
  Infinite credits
• LCGA-BNWY
  Each power-up item is worth 3x the normal
• BBMT-AACA
  Keep regular weapon upgrades