* Famicom version of cart requires Famicom to NES adapter to be used with NES. NES version of cart requires NES to Famicom adapter to be used with Famicom.
** Only Famicom can output expansion sound without modification. NES systems require modification to support this feature.
*** FDS is the only exception, user should push the reset button on system to get back to main menu before than shutting down the system, otherwise FDS save data will be lost.