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Subnautica 2 Map
Steam Early Access

Subnautica 2 on Steam

Steam Early Access details, 4-player co-op, crossplay wording and how to use the map tracker as a second screen.

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Quick answer

Subnautica 2 is live on Steam in Early Access. Steam lists single-player, online co-op, cross-platform multiplayer, Steam Cloud and a $29.99 USD Early Access price.

Steam Early Access snapshot

Status

Early Access live

Mode

Single-player and online co-op

Crossplay

Cross-platform multiplayer listed

Price

$29.99 USD Early Access listing

Steam co-op and cross-platform multiplayer

Use the multiplayer guide for platform combinations, Game Pass notes and current-build checks. Steam's feature list is the source for online co-op and cross-platform multiplayer language.

Open multiplayer guide

Using the map as a PC second screen

Open the map tracker in a browser, search for the current resource or route, then share a filtered URL with a co-op partner. Steam Deck users can use the same browser workflow on a small viewport.

Calculate coordinate distance

Steam player paths

  1. Interactive mapFilter resource, cave and coordinate markers.
  2. MultiplayerCo-op, crossplay and platform checks.
  3. PriceSteam, Xbox, Epic and Game Pass buying notes.

Frequently asked

Is Subnautica 2 on Steam?

Yes. Subnautica 2 is live in Early Access on Steam as of May 14, 2026 at 15:00 UTC.

Does Subnautica 2 support Steam co-op?

Yes. Up to 4-player online co-op and cross-platform multiplayer are listed on the Steam page.

Does Subnautica 2 have crossplay on Steam?

Steam lists cross-platform multiplayer. During Early Access, connection details can still depend on current build, accounts and platform services, so check the Steam page for the latest wording before a co-op session.

Can I use the map tracker on Steam Deck?

Yes. Open this site in your browser as a second screen. The static showcase is mobile-friendly, and the next map iteration adds a canvas that also works on small viewports.

Sources