Due to copyright protection, we recommend searching "Anime Mugen 500 Characters Discord" for the latest developer-approved build. Always scan APKs with VirusTotal.
The engine allows users to import "sprites" (character images), define "hitboxes" (collision detection areas), and script movesets. This has led to a massive community of "content creators" who build characters, stages, and screen packs. A "Mugen 500 Characters" game is not an official corporate product; it is a compilation created by a fan (or a group of fans) who has curated hundreds of character files and integrated them into a single M.U.G.E.N engine port for Android.