A gameplay Video
Also, here are some helpful tutorial videos to help you
A lifebar tutorial
Installing Mugen (add-ons and the such)
Stages installation
Adding and installing characters
What's MUGEN?
Mugen is a 2D freeware fighting game engine first made for MS-DOS, then Linux, then Windows. All components of Mugen can be customized. You can add characters, stages and even change the skin of your fighting game.
