Okay, okay, isn't the MUGEN engine of Electbyte, and instead MacOS, the OS is Linux. This is an engine called Kugen i've worked since this year. The target of this project is to be compatible with the popular fight engine, because the current is powerful but it runs good only in Windows, and DOS and Linux/x86 versions aren't good as Winmugen. You can check it in [link] . But is in a very experimental version, so you can't use it to play (yet), but you can improve and modify the code (note that i've decide to make it GNU GPL, so you have to free this code).

In the screenshot, Kugen running on Debian Linux 5.0 for PowerPC (+ JWM due this low memory and CPU speed), in my old Macintosh G3. This is to show the possibility to run it in any platform that supports standard C++ and SDL. The engine was some slow, but in my PC, 9 years newer than the Mac, in Debian Linux 5.0 x86 and FreeBSD 7.1, the engine was very fast.