FET
FET is an open-source timetable generator for schools and other educational institutions. It helps administrators organize teaching activities into schedules for teachers and students, using information ...

FCEUX is a free NES and Famicom emulator for playing NTSC and PAL games on Windows. It combines features from several FCE Ultra branches, with configurable controls, save states and screenshots for everyday play. Debugging and ROM-hacking tools support game analysis, while Lua scripting enables custom automation and workflows for testing and tool-assisted speedruns. It runs on Windows 10 and 11.
| Author: | FCE development team |
| License: | Open Source |
| Price: | FREE |
| Released: | Oct 12, 2026 |
| File size: | 3.80 MB |
| Downloads: | 370 |
| Keywords: | nintendo emulator, FCEUX emulator, FCE, Retro gaming experience, Windows 10 compatibility, rom hacking tools, famicom emulator, Nintendo, emulate nintendo, emulate, x64 platform, nes emulator, NES gaming, Sourceforge software, tool assisted speedrun, NES emulator, lua emulator scripting |
| Author URL: | https://fceux.com/web/home.html |
FCEUX is a free emulator for Nintendo Entertainment System and Famicom games, including NTSC and PAL systems. It brings together features from several earlier FCE Ultra branches, serving casual players as well as ROM hackers, Lua scripters and tool-assisted speedrun creators. The program runs game images on a Windows computer, with controls and display handled through its desktop interface rather than original console hardware.
For ordinary play, FCEUX loads compatible game files and provides the familiar functions expected of an emulator, including configurable input and save states. Save states let players preserve a point in a game and return to it later, while screenshots can capture gameplay for reference or sharing. These tools are useful for continuing a session, revisiting difficult sections or comparing behavior across attempts. Support for both NTSC and PAL formats accommodates games designed for either regional television standard.
FCEUX also includes facilities for examining and modifying how games behave. Debugging and ROM-hacking tools help users inspect game operation and test changes, making the emulator useful beyond straightforward play. Lua scripting supports custom automation and analysis: scripts can interact with an emulated game, and the scripting environment can be used to build workflows suited to testing or recording. This makes it relevant to tool-assisted speedruns, where repeatable inputs and close observation are important, as well as to users developing or studying game modifications.
The combined feature set brings player-oriented and development-oriented tools into one application instead of requiring separate emulator branches. A user can play a game, capture or save a state, then use scripting or debugging features for more controlled investigation. Lua support is part of FCEUX's broader toolset, and the Windows distribution includes the components required for it. The application is freeware and runs on Windows, including Windows 10 and Windows 11. Game files are separate from the emulator; users need compatible game images to play, and should ensure they have the rights to use those files.