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Head-to-head · NES Emulators

KuroganeNES vs FCEUX

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score KuroganeNES #1 in NES Emulators 9.4/10 Free plan Free plan✓ 4 of 5 features Visit KuroganeNES
FCEUX #5 in NES Emulators 8.9/10 Free plan Free plan✓ 0 of 5 features Visit FCEUX

KuroganeNES leads on 1 check, FCEUX on 0, and 4 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreKuroganeNES · 9.4/10
  • Free planboth
  • Most featuresKuroganeNES · 4 of 5

KuroganeNES scores higher on our rubric for nes emulators: 9.4 against 8.9 out of 10; our editors rank them #1 and #5.

KuroganeNES offers netplay; FCEUX doesn't.

KuroganeNES is the better fit for complete browser-based NES emulation. FCEUX is the better fit for TAS creators and emulator researchers.

  • KuroganeNES fits best

    Complete browser-based NES emulation

  • FCEUX fits best

    TAS creators and emulator researchers

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Side by side

Feature KuroganeNES 9.4/10 Visit ↗ FCEUX 8.9/10 Visit ↗
At a glance
Editor score 9.4 8.9
Ranking #1 in NES Emulators #5 in NES Emulators
Best for Complete browser-based NES emulation TAS creators and emulator researchers
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Self-hosted, Browser extension Desktop
Platforms Web Windows, macOS, Linux
Support Docs Docs
Built for Solo, Small business Solo, Small business
Features KuroganeNES 4/5 · FCEUX 0/5
Save states ✓ (best) Not checked yet
Rewind ✓ (best) Not checked yet
Netplay ✓ (best) —
Shader support Not checked yet Not checked yet
Cheat support ✓ (best) Not checked yet
Specs
Supported platforms Modern web browsers Not checked yet
Our review
Pros
  • Cycle-accurate NES, Famicom, and FDS emulation
  • Save states, rewind, cheats, patching, and multiplayer
  • Extensive CPU, PPU, memory, and audio debugging tools
  • Supports NES, Famicom, Dendy and Famicom Disk System software
  • Includes debugging, Lua scripting and a dedicated TAS Editor
  • Runs on Windows, macOS and Linux with graphics scaling options
Cons
  • Online multiplayer requires a Node.js WebSocket relay
  • HTTPS setup is required for online multiplayer
  • Limited to modern web browsers
  • Network play is not presently functional
  • Focuses on NES-family systems rather than broader console emulation
  • Its advanced tooling may exceed the needs of casual players
Our verdict

KuroganeNES is an open-source emulator for NES, Famicom, and Famicom Disk System games in modern web browsers. It is delivered as a self-contained HTML file, so single-player use requires no installer, server, or build step. The project…

Read the review →

FCEUX is a free, open-source desktop emulator for NES, Famicom, Dendy and Famicom Disk System software. It serves general players, ROM hackers, emulator researchers and the tool-assisted speedrun community. Official builds cover Windows…

Read the review →
  1. KuroganeNESNES Emulators 9.4Free plan
  2. FCEUXNES Emulators 8.9Free plan

Strengths and trade-offs

  • KuroganeNES — where it wins

    • Cycle-accurate NES, Famicom, and FDS emulation
    • Save states, rewind, cheats, patching, and multiplayer
    • Extensive CPU, PPU, memory, and audio debugging tools

    Where it doesn't

    • Online multiplayer requires a Node.js WebSocket relay
    • HTTPS setup is required for online multiplayer
    • Limited to modern web browsers

  • FCEUX — where it wins

    • Supports NES, Famicom, Dendy and Famicom Disk System software
    • Includes debugging, Lua scripting and a dedicated TAS Editor
    • Runs on Windows, macOS and Linux with graphics scaling options

    Where it doesn't

    • Network play is not presently functional
    • Focuses on NES-family systems rather than broader console emulation
    • Its advanced tooling may exceed the needs of casual players

More comparisons

All NES emulators comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update