Monster World IV

Monster World IV is an action-adventure platform game developed by Westone and released in Japan by Sega for the Mega Drive in April 1994.

It is the sixth game in the Wonder Boy series and the fourth game in the Monster World subseries, the other three of which can be identified by their Japanese names: Super Wonder Boy: Monster World for the Sega Mark III (a port of Wonder Boy in Monster Land), Monster World II: Dragon no Wana for the Game Gear (a port of Wonder Boy: The Dragon's Trap), and Wonder Boy V: Monster World III for the Mega Drive (released overseas as Wonder Boy in Monster World).