Wonder Boy III: Monster Lair is a platformer that builds on the original Wonder Boy formula. This specific version, 'set 1', originating from Japan and running on a System 16A arcade board, gives insight into its release specifications. The game was decrypted, indicating possible alterations to the game's ROM code.

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

Wonder Boy (set 4, 315-5162)