TASEmulators/fceux

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FCEUX, a NES Emulator

Stars: 1.6k
Forks: 314
Open beginner issues: 0
Indexed issues: 176

Dominant language: C++
License: GPL-2.0
Last GitHub push: May 30, 2026
Latest indexed: Sep 21, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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176 open issues indexed

Windows Event Viewer reports numerous side-by-side error events linked to FCEUX while program is not running Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TASEmulators/fceux#852 · Opened Sep 16, 2026
segfaults on mapper 218 Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

TASEmulators/fceux#851 · Opened Sep 3, 2026
Does not build with FFmpeg 9 Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

TASEmulators/fceux#849 · Opened Aug 8, 2026
FCEUX can't properly handle "Open ROM" dialog while playing with gamepad Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TASEmulators/fceux#847 · Opened Jul 11, 2026
Title: 3GO.nes (Sangokushi / 三国志中原之霸者) displays incorrectly — iNES header declares Mapper 0, actual hardware is Mapper 252 Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

TASEmulators/fceux#845 · 4 comments · Opened Jun 6, 2026
Title: 3GO.nes (Sangokushi / 三国志中原之霸者) displays incorrectly — iNES header declares Mapper 0, actual hardware is Mapper 252 Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

TASEmulators/fceux#844 · Opened Jun 6, 2026
Intel Mac Release Please? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TASEmulators/fceux#843 · Opened Jun 1, 2026
config file does not save/does not load Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

TASEmulators/fceux#842 · Opened May 27, 2026
Segfault on startup Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TASEmulators/fceux#839 · 1 comment · Opened May 2, 2026
Various Requests Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

TASEmulators/fceux#836 · 2 comments · Opened Apr 19, 2026
cmake: build on macOS / Linux fails (qt6, minizip) Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

TASEmulators/fceux#835 · 1 reaction · Opened Apr 19, 2026
Would it be possible to create an FCEUXD core for Retroarch, specifically for Android? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

TASEmulators/fceux#833 · 1 comment · Opened Mar 31, 2026
[Qt] Screenshots and Linux Wayland behavior (discussion) Open

bug QtSDL

TASEmulators/fceux#832 · 2 comments · 2 assignees · Opened Mar 30, 2026
Questions/Troubleshooting about some of the Qt version features. Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TASEmulators/fceux#831 · Opened Mar 29, 2026
FCEUX crashes when opening TASeditor Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

TASEmulators/fceux#830 · Opened Mar 20, 2026
Won't compile on OpenMandriva ROME due to zlib conflict Open

Difficulty 1/5 Under an hour Newbie friendliness 65/100

TASEmulators/fceux#829 · Opened Mar 14, 2026
"LCD Zapper" input switches to "Zapper" everytime. Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

TASEmulators/fceux#828 · Opened Mar 12, 2026
Integrate Kaillera netplay functionality Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

TASEmulators/fceux#826 · Opened Mar 7, 2026
How to run on embedded boards using Framebuffer/DRM instead of OpenGL/Qt5? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

TASEmulators/fceux#825 · Opened Jan 29, 2026
Feature request: Fullscreen without resolution change, trouble with 4K display Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TASEmulators/fceux#824 · Opened Jan 15, 2026
Lua scripting incompatibility between Linux / Windows versions Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

TASEmulators/fceux#822 · Opened Jan 10, 2026
VRC7 audio saves Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

TASEmulators/fceux#821 · Opened Nov 12, 2025
Change CNRom bank switching or new submapper Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

TASEmulators/fceux#819 · 2 comments · Opened Nov 2, 2025
Linux theme selection causes immediate crash if gtk2 picked Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TASEmulators/fceux#818 · 2 comments · Opened Oct 26, 2025
no menu items Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TASEmulators/fceux#817 · Opened Oct 15, 2025
labeling in debugger disassembly doesnt save Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

TASEmulators/fceux#811 · Opened Oct 4, 2025
Ending text issues in Rockball (mapper 141/Sachen 8259A) Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TASEmulators/fceux#810 · 1 comment · Opened Sep 21, 2025
Documentation on input presets inconsistent with software Open

Difficulty 2/5 1-3 hours Newbie friendliness 42/100

TASEmulators/fceux#809 · Opened Sep 15, 2025
After loading the tank.nes, no pic appear, no error output Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

TASEmulators/fceux#806 · 1 comment · Opened Sep 3, 2025
[Qt] 4-player / 4-score input doesn't work Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TASEmulators/fceux#803 · Opened Aug 21, 2025
Option whether to save emulation speed (globally or each game) Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

TASEmulators/fceux#800 · Opened Jul 30, 2025
FCEUX unexpectedly quits on Mac Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

TASEmulators/fceux#799 · 4 comments · Opened Jul 22, 2025
FCEUX crashes seemingly at random Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

TASEmulators/fceux#798 · 1 comment · Opened Jun 26, 2025
Family BASIC Keyboard flag is not functional Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

TASEmulators/fceux#797 · 2 comments · Opened Jun 8, 2025
Newly released Populous ROM has bad graphics Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

TASEmulators/fceux#787 · Opened Mar 24, 2025
Feature Request: command line fullscreen and lua autostart Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TASEmulators/fceux#783 · 4 comments · Opened Mar 3, 2025
Translation system Open

enhancement QtSDL

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TASEmulators/fceux#779 · Opened Jan 25, 2025
One of the useful CDL features was considered a bug and was "fixed" Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TASEmulators/fceux#771 · 1 comment · Opened Dec 2, 2024
Please make an appimage for Linux Open

QtSDL

Difficulty 4/5 3-5 days Newbie friendliness 25/100

TASEmulators/fceux#769 · 1 reaction · Opened Nov 18, 2024
Is it possible to emulate Scramble, Time Pilot and Frogger from the Plug and Play Konami Collector's Series? Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

TASEmulators/fceux#768 · Opened Nov 10, 2024
Add kaillera netplay support Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

TASEmulators/fceux#764 · Opened Oct 25, 2024
Menu bar not painted after loading game (Mac M2) Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

TASEmulators/fceux#763 · Opened Oct 12, 2024
Fceux Savestates Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

TASEmulators/fceux#762 · 1 comment · Opened Oct 8, 2024
[Qt] Couldn't save Normal Speed hotkey config Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

TASEmulators/fceux#752 · 1 comment · Opened Aug 11, 2024
[Qt] SDL video driver instant black issue Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TASEmulators/fceux#751 · 1 comment · Opened Aug 11, 2024
build error - Package 'minizip', required by 'virtual:world', not found Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

TASEmulators/fceux#750 · 3 comments · Opened Jul 28, 2024
fceux not launch - Qt Warning: Unrecognized OpenGL version Open

QtSDL

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TASEmulators/fceux#749 · 1 comment · Opened Jul 28, 2024
Akumajou Special - Boku Dracula-kun IRQ Emulate BUG. Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

TASEmulators/fceux#748 · 1 comment · Opened Jul 25, 2024
Pac-Man Battle Royale Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

TASEmulators/fceux#747 · 8 comments · Opened Jul 20, 2024
Cheats not importing Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TASEmulators/fceux#746 · 1 comment · Opened Jul 9, 2024

TASEmulators/fceux

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