Game Genie Codes

The following are known Game Genie Codes for Teenage Mutant Ninja Turtles: Return of the Shredder on SEGA Genesis.

• Region Bypass Code
  RECT-A6XL
• Invincibility
  RHST-C61Y
• Start With 0 Lives, When You Continue, You Have 99 Lives
  AKTA-CA82
• Activates Stage Select
  AB1A-CN7C