Unoffical MacMAME is usually more up to date than the official MacMAME release, but lacks the assembly code speedups and is compiled under Project Builder. Unofficial MacMAME Plus 0.77, for Mac OS X. Note that the 0.66.x series will be the last to support OS 9 MacMAME 0.67 and later will be OS X only. Incredibly, MacMAME supports over two thousand arcade games. The source code is available on the author's web page users with programming experience are encouraged to help write modules for their favorite games. This emulator is a port of the Multi-Arcade Machine Emulator, the most comprehensive arcade emulator ever designed. It even emulates Neo-Geo games! MacMAME is truly a masterpiece of arcade emulation.
MacMAME is an incredibly diverse emulator, emulating almost every popular classic arcade game known-and many newer titles as well! By accepting contributions from outside developers, it has extended to support the emulation of over 2000 arcade titles.