* Sega Genesis / Mega Drive (Genesis Plus) * Nintendo (NES) / Famicom (FCEUX, Nestopia) OpenEmu is based on a modular architecture, allowing for game-engine plugins, this means OpenEmu can support a host of different emulation engines and back-ends while retaining a familiar OS X native front-end.Ĭurrently OpenEmu can load the following game engines as plugins: OpenEmu is an open source project to bring game emulation to OS X as a first class citizen, leveraging modern OS X technologies such as Cocoa, Core Animation and Quartz, and 3rd party libraries like Sparkle for auto-updating.