Action Replay Codes [US]

The following are known Action Replay Codes for Marble Madness on SEGA Genesis / Mega Drive (Genesis).

The codes should work with the region specified but may work for other regions as well.

Device Compatibility: Action Replay

• Have Infinite Time
  FFB0CF:99
• Have Insane Score P1
  FFB12A:FF
  FFB12B:FF