Notice

This repository is an archive of Mesen as it was around version 2.1.1 in mid-2025.
For the latest version of Mesen, see here: https://github.com/nesdev-org/MesenCE

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Mesen

Mesen is a multi-system emulator (NES, SNES, Game Boy, Game Boy Advance, PC Engine, SMS/Game Gear, WonderSwan) for Windows, Linux and macOS.

Releases

The latest stable version is available from the releases on GitHub.

Development Builds

<ins>Native builds</ins> (recommended)

These builds don't require .NET to be installed.

• Windows 10 / 11
• Linux x64 (requires SDL2)
• macOS - Intel (requires SDL2)
• macOS - Apple Silicon (requires SDL2)

<ins>.NET builds</ins>

These builds require .NET 8 to be installed (except the Windows 7 build which requires .NET 6).
For Linux and macOS, SDL2 must also be installed.

• Windows 7 / 8 (.NET 6)
• Linux x64 - AppImage
• Linux ARM64
• Linux ARM64 - AppImage

<ins>Notes</ins>

Other builds are also available in the Actions tab.

SteamOS: See SteamOS.md

Compiling

See COMPILING.md

License

Mesen is available under the GPL V3 license. Full text here: http://www.gnu.org/licenses/gpl-3.0.en.html

Copyright (C) 2014-2025 Sour

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program. If not, see http://www.gnu.org/licenses/.