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

• ETBT-AA42
  Master Code – Must Be Entered
• R1XA-C6W2
  Infinite energy
• AVHT-AA6W
  Infinite credits
• ABPA-GAC8
  Each pistol has 0 bullets
• AKPA-GAC8
  Each pistol has 2 bullets
• AVPA-GAC8
  Each pistol has 4 bullets
• BBPA-GAC8
  Each pistol has 8 bullets
• AW9T-AA4Y
  Each pistol has infinite bullets
• ABPA-GADA
  Each AK-47 has 0 bursts
• AKPA-GADA
  Each AK-47 has 2 bursts
• AVPA-GADA
  Each AK-47 has 4 bursts
• A3PA-GADA
  Each AK-47 has 6 bursts
• AXAA-AA5N
  Each AK-47 has infinite bursts
• ABPA-GADC
  Each rocket launcher has 0 rockets
• AKPA-GADC
  Each rocket launcher has 2 rockets
• A3PA-GADC
  Each rocket launcher has 6 rockets
• BBPA-GADC
  Each rocket launcher has 8 rockets
• AXAT-AA3A
  Each rocket launcher has infinite rockets
• ACHT-B69T
  Each object picked up is nothing
• AGHT-B69T
  Each object picked up is a knife
• ALHT-B69T
  Each object picked up is an iron bar
• ARHT-B69T
  Each object picked up is a sword
• AWHT-B69T
  Each object picked up is a pistol
• A0HT-B69T
  Each object picked up is an AK-47
• A4HT-B69T
  Each object picked up is a rocket launcher
• A8HT-B69T
  Each object picked up is a whip
• BCHT-B69T
  Each object picked up is a grenade