The following are known Game Genie Codes for Aero the Acro-Bat on SEGA Genesis.

• Start With 1 Life
  WNEA-BE4Y
• Start With 2 Lives
  WJEA-BE4Y
• Start With 4 Lives
  WAEA-BE4Y
• Start With 8 Lives
  WTEA-BE4Y
• Start With 11 Lives
  TNEA-BE4Y
• Infinite Lives
  RE4A-A6VJ
• Never Lose Health (Spikes, Fire, Etc. Will Still Kill You)
  RG2A-A61W
• Start With 0 Continues
  AB6A-EADL
• Start With 1 Continue
  AF6A-EADL
• Start With 5 Continues
  AZ6A-EADL
• Start With 10 Continues
  BK6A-EADL
• Infinite Continues
  AVVA-EA3Y
• Get Extra Lives More Easily
  AYEA-AADR
  AY6A-AAD0
• No Extra Life For 20,000 Points
  RE6A-A6W6
• Each Star Found Worth 0 Stars
  ABTA-CAHJ
• Each Star Found Worth 2 Stars
  AKTA-CAHJ
• Each Star Found Worth 5 Stars
  AZTA-CAHJ
• Each Star Found Worth 10 Stars
  BKTA-CAHJ
• Infinite Stars (If You Have Some)
  RHDA-A6YN
• Infinite Stars (Even If You Have None)
  AXDA-AA6J
• Timer Doesn’t Run
  RE8A-A6Z2
• Finding A Clock Adds 0 Minutes To Timer
  ABSA-DA62
• Finding A Clock Adds 2 Minutes To Timer
  AKSA-DA62
• Finding A Clock Adds 4 Minutes To Timer
  AVSA-DA62
• Finding A Clock Adds 8 Minutes To Timer
  BBSA-DA62
• Jump Lower Than Normal While Standing Still
  9YLA-D976
• Jump A Little Higher Than Normal While Standing Still
  9ALA-D976
• Jump Higher Than Normal While Standing Still
  8TLA-D976
• Jump Much Higher Than Normal While Standing Still
  8ALA-D976
• Jump Lower Than Normal While Running
  9YKA-D93Y
• Jump A Little Higher Than Normal While Running
  9AKA-D93Y
• Jump Higher Than Normal While Running
  8TKA-D93Y
• Jump Much Higher Than Normal While Running
  8AKA-D93Y