EmulatorWorld

Nintendo Entertainment System /

FCEUX Active

A long-running NES/Famicom emulator popular with ROM hackers and speedrunners for its debugger, PPU viewer, Lua scripting and movie recording.

Website Source code

Screenshot of FCEUX
JureLc · GPL-2.0-or-later · source

Facts

Runs on
Windows, macOS, Linux
License
Open source (GPL-2.0-or-later)
Mobile
None (no official phone or tablet version)
Models
Famicom, NES, Famicom Disk System
Opens
.nes .unf .fds .nsf
Written in
C++
First release
2008
Authors
The FCEUX team
Last checked
Oct 2026

Features

  • HasSave states
  • HasRewind
  • HasFast-forward
  • Not listed:Run-ahead
  • Not listed:Online multiplayer
  • Not listed:CRT shaders
  • HasA/V recording
  • HasCheats
  • Not listed:Achievements
  • Not listed:Themes

Input

  • HasGamepad
  • Not listed:Touch controls
  • HasLight gun
  • Not listed:Mouse
  • Not listed:Positional key mapping
  • Not listed:Symbolic key mapping
  • Not listed:On-screen keyboard
  • Not listed:Native keyboard

For developers

  • HasDebugger
  • HasMemory viewer
  • Not listed:Disassembler
  • Not listed:Profiler
  • HasTrace logger
  • HasScripting
  • Not listed:Command line

Features not listed may still exist. Edit this entry if something is missing or wrong.