Mesen is a NES/Famicom emulator and NSF player. It is still a work in progress and under active development.
* High Accuracy - A lot of effort has gone into making Mesen as accurate as possible
* Support for over 215 mappers (out of approximately 220 known mappers, over 99% of games supported)
* NES, Famicom (including Famicom Disk System), Dendy, VS System, NSF, NSFe are all supported.
* Supports: Save States, Movie/Audio Recording, Screenshots, Cheat Codes
* Net Play - Play online with friends
* Built-in Debugger
* Automatic updates - Mesen is able to check for updates and automatically install new versions of itself.
* Other Features: 7z/zip archive support, numerous video filters (xBRZ, Scale2x, NTSC, etc.), sound recorder, sound effects, etc.
Windows Vista, 7, 8, 8.1 and 10 are supported
.NET Framework 4.5+