The following are known Game Genie Codes for Motocross Maniacs on Nintendo Game Boy.

• FAD-CDE-4C1
  Infinite tires on pick-up
• FAD-C7E-4C1
  Infinite jets on pick-up
• 00D-22D-E6E
  Infinite time
• 02D-22D-E6E
  Faster timer
• 079-E4F-F7A
  Start with 7 nitros
• FA0-1ED-4C1 + 009-88E-B30
  Super fast bike