The subject likely refers to a localized version of a specific fan-made or niche RPG, though it is not a mainstream commercial title. Given the naming convention, it could refer to a few different things:
Files with this specific naming structure (Name_English.rar) are frequently used in the indie "doujin" or adult RPG Maker communities for English-translated releases. MARAGONQUEST_[English].rar
The name appears to be a portmanteau or a specific fan-translation project related to the Dragon Quest series . The subject likely refers to a localized version