Mesen2

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

Native builds (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)

.NET builds

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

Notes

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 © 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/.