This is the standard Japanese release of Wonder Boy III: Monster Lair for the Sega System 16A arcade hardware. It is the original version without modifications. It showcases Sega's System 16's capabilities in terms of graphics and sound, and features a refined platforming experience compared to earlier Wonder Boy titles.

Wonder Boy III - Monster Lair (set 1, Japan, System 16A, FD1094 317-0084)

Wonder Boy (set 5, version)