Monster World IV is a custom English translated game for Sega Genesis. It is a mix of action-adventure, platforming, and RPG genres, in which the player traverses a 2D landscape fighting a variety of monsters as well as interacting with non-playable characters.
The story involves a young girl named Asha, who, upon hearing spirits whisper on the wind pleading for help, embarks on a journey to find and help them. Along the way she becomes the master of a genie and adopts a small monster known as Pepelogoo.