Mugen (game engine) - Wikipedia

MUGEN 2D Fighting Engine - LaunchBox Tutorials

M.U.G.E.N, MUGEN Database

How to Add Mugen Characters (with Pictures) - wikiHow

Fighter Maker (Video Game) - TV Tropes

Valis II - Wikipedia

The Mystery of Mugen – Street Fighter Game Lore Theories

Shin Mugen, Game Ideas Wiki

Verdict Guilty/FAQ - Mizuumi Wiki

Video game creation software: Blitz BASIC, AMOS, Blender, Forgotten Realms: Unlimited Adventures, Inform, Game Maker, MegaZeux, Microsoft XNA

M.U.G.E.N - Infinitywiki

New 2D fighter for MUGEN? by Wiira -- Fur Affinity [dot] net