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Head-to-head · NES Emulators

KuroganeNES vs Nestopia Undead Edition

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score KuroganeNES #1 in NES Emulators 9.4/10 Free plan Free plan✓ 4 of 5 features Visit KuroganeNES
Nestopia Undead Edition #6 in NES Emulators 8.7/10 Open source ✓ 5 of 5 features Visit Nestopia UE

KuroganeNES leads on 0 checks, Nestopia Undead Edition on 0, and 6 are even. Who comes out ahead on the 6 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 planonly KuroganeNES
  • Most featuresNestopia Undead Edition · 5 of 5

KuroganeNES scores higher on our rubric for nes emulators: 9.4 against 8.7 out of 10; our editors rank them #1 and #6.

KuroganeNES is the better fit for complete browser-based NES emulation. Nestopia Undead Edition is the better fit for windows users wanting broad classic features.

  • KuroganeNES fits best

    Complete browser-based NES emulation

  • Nestopia Undead Edition fits best

    Windows users wanting broad classic features

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Side by side

Feature KuroganeNES 9.4/10 Visit ↗ Nestopia Undead Edition 8.7/10 Visit ↗
At a glance
Editor score 9.4 8.7
Ranking #1 in NES Emulators #6 in NES Emulators
Best for Complete browser-based NES emulation Windows users wanting broad classic features
Pricing model Free Free
Starting price Free plan Open source
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Self-hosted, Browser extension Desktop
Platforms Web Windows
Support Docs Docs
Built for Solo, Small business Solo, Small business
Features KuroganeNES 4/5 · Nestopia Undead Edition 5/5
Save states ✓ ✓
Rewind ✓ ✓
Netplay ✓ ✓
Shader support Not checked yet ✓ (best)
Cheat support ✓ ✓
Specs
Supported platforms Modern web browsers Windows
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
  • Save states, rewind, netplay, cheats, and video filters
  • Loads ZIP, RAR, and 7-Zip archives
  • Includes recording, NSF playback, screenshots, and IPS patching
Cons
  • Online multiplayer requires a Node.js WebSocket relay
  • HTTPS setup is required for online multiplayer
  • Limited to modern web browsers
  • Windows is the only supported platform
  • The current source tree is a legacy Win32 release
  • Focused on NES and Famicom emulation only
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 →

Nestopia Undead Edition is a community-maintained, open-source fork of the Nestopia NES and Famicom emulator. It provides a standalone graphical application for playing NES and Famicom ROM images on Windows desktop computers. Its audience…

Read the review →
  1. KuroganeNESNES Emulators 9.4Free plan
  2. Nestopia Undead EditionNES Emulators 8.7Open source

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

  • Nestopia Undead Edition — where it wins

    • Save states, rewind, netplay, cheats, and video filters
    • Loads ZIP, RAR, and 7-Zip archives
    • Includes recording, NSF playback, screenshots, and IPS patching

    Where it doesn't

    • Windows is the only supported platform
    • The current source tree is a legacy Win32 release
    • Focused on NES and Famicom emulation only

More comparisons

All NES emulators comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update