Mesen (NES)


Mesen is a free open-source video game console emulator for Windows and Linux systems. This software can accurately emulate Famicom (NES) and Famicom Disk System (FDS) games with high performance and compatibility. A Mesen libretro core is also available for RetroArch.

According to the currently established NES test ROM suites, Mesen holds the top rank when it comes to NES emulation accuracy with 100% compatibility. This open-source software should be the emulator of choice for those who are looking for the utmost accuracy. Mesen also features a simple user interface and dozens of user-friendly features that are not available to other emulators on the same line. 

Notable Features

  • HD packs (HDNes)
  • Netplay
  • Auto-updates
  • Built-in filters (xBRZ, NTSC, etc.)
  • .zip and goodmerged file loading,
  • Top Loader NES variant support
  • Dendy support
  • VS. System support
  • Video recording/playback
  • Debugging tools
  • Overclocking
  • Custom palettes
  • Custom Sound effects
  • Rewind capabilities

Although the standalone emulator has stopped its development back on February 2020, the libretro core and NovaSquirrel's fork (called "Mesen X") are still active.

More NES Emulators

Playing River City Ransom with Mesen XTaking over Samus on the classic Metroid with Mesen emulatorMesen X emulator featuring Super Mario Bros. 3Enjoying the original Tecmo Super Bowl with my Mesen NES emulator

Mesen Emulator download can be obtained free to play Nintendo. Available for multiple platforms including Windows, Linux and Source with fastest download speeds on This NES Emulator (also known as mesen x) is in English and can run games online in high quality. Mesen is developed by Sour and Nova Squirrel. If you like this Nintendo emulator then also see related emulators such as NES.Emu and RetroArch.

Download Links

Mesen X v1.0.0 Windows newest WindowsFree2021-11-143.57 MB
Mesen v0.9.9 Windows WindowsFree2020-02-029.69 MB
Mesen v0.9.8 Windows WindowsFree2019-06-268.46 MB
Mesen v0.9.7 Windows WindowsFree2018-09-178.21 MB
Mesen X v1.0.0 Linux newest LinuxFree2021-11-144.13 MB
Mesen v0.9.9-2 Linux LinuxFree2021-01-311.16 KB

Additional other files:

Mesen v0.9.9 Documentation Windows WindowsFree2020-02-023.49 MB
Mesen X v1.0.0 Source Windows SourceFree2021-11-1417.65 MBSource Code
Mesen v0.9.9 Source Windows SourceFree2020-02-0217.71 MBSource Code
Mesen v0.9.9 Source Linux SourceFree2020-02-0216.86 MBSource Code