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FCEUX11 is a derivative of the FCEUX NES/Famicom emulator, optimized for Windows. It inherits FCEUX's renowned emulation accuracy while delivering a polished, modern Windows-native experience powered by Qt6. Multi-language support (12 languages) and a full suite of debugging and TAS tools are built in for developers and speedrunners alike. Ongoing internal refactoring and performance optimization work keeps the emulator efficient, smooth, and stable — even under heavy load. Whether you're revisiting childhood classics or diving into ROM hacking, FCEUX11 runs your NES games smoothly and looks great doing it.
Features
- Accurate Emulation: Full NES, Famicom, and mapper support with faithful graphics and audio, delivering the authentic 8-bit experience.
- Save States: Save and load anywhere, anytime, with automatic state history so you never lose progress.
- Cheats: Game Genie and raw cheat code support to tweak gameplay, unlock hidden content, or just have fun bending the rules.
- Movie Recording: Record full playthroughs, replay them anytime, and export to AVI to share your best runs.
- Gamepad Support: Play with keyboard or gamepad, with fully remappable inputs to suit your play style.
- FCEUX11 ships in 12 languages: 简体中文、繁體中文、English、日本語、한국어、Español、Français、Deutsch、Tiếng Việt、ไทย、हिन्दी(beta)、العربية(beta).
- Custom Palettes: Load custom palette files to fine-tune color rendering and match the exact look you remember.
- Debugging Tools: Built-in CPU/PPU debugger, hex editor, RAM search/watch, and code/data logger for ROM hacking and in-depth analysis.
- TAS Editor: Frame-by-frame recording and precise input editing to craft perfect Tool-Assisted Speedruns.
- Lua Scripting: Write Lua scripts to create custom on-screen displays, automate gameplay, or read memory, extending the emulator however you like.
Project Samples
License
GNU General Public License version 2.0 (GPLv2)Follow FCEUX11
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