0.3 / 27-10-2019



Mesen-S is a cross-platform SNES emulator for Windows & Linux built in C++ and C#. It's very early in development and some features are still missing compared to its NES sibling.


Most Recent Changes!


  • Support for the SA-1, Super FX, CX4, S-DD1 and OBC1 chips (which means about 50 more games are supported compared to version 0.2.0)
  • Cheats (Game Genie/Pro Action Replay), including a cheat code database (by Mighty Mo)
  • Overclocking
  • Netplay
  • Input: Turbo bindings
  • Input: Super scope and multitap support
  • Input: Movie recording/playback
  • Input: Options to display the current input on screen and to configure the deadzone size for analog sticks
  • SPC file playback
  • PPU: Fixed a few bugs with the PPU's emulation
  • Option to blend high resolution frames (for proper transparency effects without having to use the NTSC filter)


  • Register Viewer tool to view the state of all flags/registers in the CPU/PPU/SPC
  • Debuggers for the Super FX and SA-1 chips (disassembly, breakpoints, watch expressions, etc.)
  • Trace logging for the Super FX, SA-1 and CX4
  • General improvements, bug fixes and other smaller new features/options

Huge thanks to everybody who helped out by testing, reporting bugs or sharing information!

SHA-256 (for the executable): a8bda9ad5b85039862e04f1923409db00aeacc2c110e9936b30e1d142b4a7de5