M.U.G.E.N

M.U.G.E.N is a freeware 2D fighting game engine designed by Elecbyte.[1] Content is created by the community, and thousands of fighters, both original and from popular fiction, have been created.

Design your own fighting game with M.U.G.E.N
You can mostly make and export certain characters after making them in the MUGEN application. You can also import lots of different types of content that is created in MUGEN, download it and open it in MUGEN, and you can play around by making some changes using the app.

Features
Different fonts, title bar selector, selecting different characters, sound effects, stat bars, and other features. You can choose from standard resolutions ranging from 240p all the way up to 1080p. There are 7 buttons for each character that you can use. These buttons can then be for doing things like regular moves, special moves, super moves, and so on. You can even make move combos and buttons to cancel the moves. The customization is crazy when you are working with this type of basic software. You can also create customized intros and cut scenes. Endings are also customizable.

Customization
Everyone who creates content by using the engine is called an author. Anyone can play around on the platform to create characters and skins. You can also import other characters from other engines and tweak them. The community has also used the engine to produce lots of original content as well.