# SubnauticaNitrox/Nitrox

An open-source, multiplayer modification for the game Subnautica.

Repository: https://github.com/SubnauticaNitrox/Nitrox
Canonical: https://ross.abutalabs.com/products/nitrox
Homepage: https://nitrox.rux.gg
Language: C#
License: GPL-3.0
License Family: copyleft
Topics: nitrox, subnautica, mod, unity3d
Last push: 2026-08-25T17:30:14+00:00

## Health v2 (maintenance only)
Score: 83/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 99, release rhythm 53, longevity 100
- inputs: {"age_days": 3356, "days_push": 8, "days_rel": 238, "gap_med": 45.0, "n_releases_24m": 3}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 2073, forks 1164 (observed 2026-08-28T04:06:10.543646+00:00)

## What it is
Nitrox is an open-source multiplayer modification for the game Subnautica, adding client/server networking, world and vehicle syncing, and a friendly launcher. It is written in C# for Unity3D and distributed free under the GPL-3.0 license.

## Use cases
- play subnautica in multiplayer with friends
- host a subnautica multiplayer server
- add co-op to a singleplayer unity game
- sync base building and vehicles between players
- install a multiplayer mod for steam or epic games subnautica
- contribute to an open-source game mod

## When to choose
- you want to play Subnautica cooperatively with friends
- you need cross-play between Steam, Epic, and other stores
- you want a free, open-source multiplayer mod with an easy launcher

## When to avoid
- you want official, fully polished multiplayer support
- you need stable bug-free gameplay - the mod is still in alpha
- you play a game other than Subnautica

## Facets
- artifact type: plugin
- maturity: active
- function: game, networking, gui, developer-tools
- domain: gaming-tools, cross-platform
- platform: windows, cross-platform, cpp
- tags: subnautica, multiplayer-mod, unity3d, game-modding, client-server, harmony, launcher, game-development, linux

## Member repositories
- SubnauticaNitrox/Nitrox (main) score 83

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:06:10.543646+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T02:56:25.173509+00:00, confidence not recorded.
  - readme: https://github.com/SubnauticaNitrox/Nitrox (fetched 2026-08-28T04:06:10.543646+00:00, sha ecd1ef2096d0)
  - homepage: https://nitrox.rux.gg (fetched 2026-08-29T10:36:42.396981+00:00, sha 2663079d9b9f)
  - site_page: https://nitrox.rux.gg/about/about-nitrox (fetched 2026-08-29T10:36:42.406031+00:00, sha f48584890d5f)
  - site_page: https://nitrox.rux.gg/wiki/article/installing-nitrox-mod-subnautica (fetched 2026-08-29T10:36:42.407820+00:00, sha 0b012416f586)
  - site_page: https://nitrox.rux.gg/features/open-source (fetched 2026-08-29T10:36:42.412391+00:00, sha 8a16a6f9d15b)
  - site_page: https://nitrox.rux.gg/about/team (fetched 2026-08-29T10:36:42.414236+00:00, sha bbd63846fa29)
  - site_page: https://nitrox.rux.gg/features/resources (fetched 2026-08-29T10:36:42.416100+00:00, sha 0f7fa27c71cf)
  - site_page: https://nitrox.rux.gg/pages/changelog (fetched 2026-08-29T10:36:42.409576+00:00, sha 4d74026da5dd)
- Data as of 2026-08-30T08:39:29.467469+00:00.