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Software · Consoles, homebrew & emulation

neo3ds

NeoGeo (Neo Geo) emulator for Nintendo 3DS: converts MAME romsets to installable CIAs, full speed on Old 3DS.

  • Completely free
  • Open source
  • No account

Overview

neo3ds is a console and retro computer emulator.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information
  • “NeoGeo (Neo Geo) emulator for Nintendo 3DS: converts MAME romsets to installable CIAs, full speed on Old 3DS” — GitHub, 10 November 2026

At a glance

All of neo3ds is free: no feature is locked behind a paid plan, and its code is open.

Its licence (GPL-2.0) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

  • Open source code
  • No account needed
  • Commercial use allowed

Sources and checks

  • Facts collected from GitHub (credit card, account, source code, publisher, licence, free status, platforms, commercial use) —
  • Last technical check: 7 November 2026
  • Description from github.com — Dépôt GitHub zzcx88/neo3ds (GPL-2.0-only)

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