Because the Mugen engine is highly customizable, the community has also added and obscure fighters you will not find in any official anime game, making every playthrough a fresh discovery.
Because it is Mugen, you can also add your own characters. Drop a new character folder into chars/ , edit select.def , and you have added a fighter the developers didn't include.
Right-click the .exe file, go to Properties > Compatibility , and check the box for "Run this program in compatibility mode for Windows 8" .
Once the game boots up, navigate to the menu using your keyboard arrow keys.