M.U.G.E.N
Windows - Unlicensed - July 17, 1999
Mugen (stylized as M.U.G.E.N) is a freeware 2D fighting game engine designed by Elecbyte. Content is created by the community, and thousands of fighters, both original and from popular fiction, have been created. It is written in C and originally used the Allegro library. The latest versions of the engine use the SDL library.
The engine uses four directional keys along with seven buttons for gameplay (A, B, C, X, Y, Z and Start), in order to accommodate six-button fighters which use three punches, three kicks and a start button. However, characters do not necessarily use all seven buttons,...