Chronocrash is the home community for the OpenBOR engine and downloading OpenBOR games. They also have forums relating to MUGEN. OpenBOR is an engine for creating 2d side-scrolling games, with most games created for it being in the Beat'em-up genre. Many of the games created by the community have made their way into various game collections due to their quality. The engine is open and free to use, and is a solid option for anyone interested in making their own 2d game that falls in the beat'em-up, fight game, or general side-scroller area of genres.