MUGEN is essentially a DOS-based 2D graphic design tool released in 1999. It allows people to create characters, stages, and other game objects through text files. maps, graphics and audio compilation, and it also supports many types of audio formats like MP3. , ADX, OGG and MIDI for sound effects. MUGEN has been releasing candidate for many years, but most recently version 1 has been released as a full version. Most of the enhancements, however, are simply bug fixes and license changes that allow the inclusion of MUGEN implementation in free non-commercial packages. The MUGEN engine is currently set up primarily to combat game development, but several other types of games have been developed using it including shooters and platform games