# Subnautica Server Documentation (/docs/subnautica)



import { Card, Cards } from "fumadocs-ui/components/card";
import { Rocket, Settings, Wrench, Package, Shield, Save, Bug, Terminal, KeyRound, Gamepad, Users, Download, AlertTriangle } from "lucide-react";

Everything you need to run a Subnautica Nitrox multiplayer server. Subnautica has no native multiplayer -- these guides cover the [Nitrox mod](https://nitrox.rux.gg/), the open-source mod that adds co-op multiplayer.

> 📝 **Note:** All players need the Nitrox client installed and must run the **same Nitrox version** as the server. Mismatched versions are the #1 cause of "I can't connect".

Setup & Connect [#setup--connect]

<Cards>
  <Card icon={<Package />} title="Install Nitrox" description="Set up the Nitrox client launcher to enable Subnautica multiplayer." href="/docs/subnautica/install-nitrox" />

  <Card icon={<Rocket />} title="Connect to Your Server" description="Join your Nitrox server from the Subnautica multiplayer menu." href="/docs/subnautica/connect-to-your-server" />

  <Card icon={<Download />} title="Epic Games Setup" description="Specifics for Subnautica players on Epic Games (and other stores)." href="/docs/subnautica/epic-games-connect" />
</Cards>

Configuration [#configuration]

<Cards>
  <Card icon={<Settings />} title="Configure Your Server" description="Edit server.cfg: port, save name, game mode, max players, and more." href="/docs/subnautica/configure-your-server" />

  <Card icon={<KeyRound />} title="Server Password" description="Set the join password and the admin login password." href="/docs/subnautica/server-password" />

  <Card icon={<Gamepad />} title="Game Mode" description="Switch between Survival, Freedom, Hardcore, and Creative." href="/docs/subnautica/game-mode" />

  <Card icon={<Users />} title="Player Slots" description="Raise or lower the maximum simultaneous player count." href="/docs/subnautica/player-slots" />
</Cards>

Admin & Management [#admin--management]

<Cards>
  <Card icon={<Terminal />} title="Admin Commands" description="Permission tiers, /login, and the full Nitrox command reference." href="/docs/subnautica/admin-commands" />

  <Card icon={<Save />} title="Backup & Restore" description="Back up your world, schedule rolling backups, and restore safely." href="/docs/subnautica/backup-restore" />

  <Card icon={<Shield />} title="Update Nitrox" description="Match server and client versions cleanly without breaking saves." href="/docs/subnautica/update-nitrox" />

  <Card icon={<Download />} title="Import a Save" description="What's possible (and what isn't) when bringing existing saves." href="/docs/subnautica/import-save" />
</Cards>

Troubleshooting [#troubleshooting]

<Cards>
  <Card icon={<Bug />} title="Troubleshooting" description="Port mismatch, version mismatch, password issues, and the rest of the usual suspects." href="/docs/subnautica/troubleshooting" />

  <Card icon={<AlertTriangle />} title="Reset Server" description="Last-resort wipe and reinstall when nothing else works." href="/docs/subnautica/reset-server" />
</Cards>

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