Is Subnautica 2 on Steam?

See if you can play Subnautica 2 on Steam. Includes the Steam release date, Steam Deck compatibility, Early Access details, Steam price, and special sale events.

Subnautica 2 Steam Release

Available as Early Access Game

Subnautica 2 is available on Steam as part of its Early Access release. Players can purchase and download the game directly through the Steam Store on PC.

Subnautica 2 Steam Price

Subnautica 2 costs USD 29.99 on Steam during Early Access, though the price will increase as future updates and content are added in the final version.

Expected Early Access Duration

The Steam version launched on May 14th and is expected to remain in Early Access for approximately 2 to 3 years while additional content, biomes, creatures, narratives, and gameplay systems are developed.

Can Early Access Saves Be Transferred?

Unknown Worlds has not officially confirmed whether all Early Access save files will fully carry over to the final release of Subnautica 2.

Supports Controllers

Subnautica 2 includes Full Controller Support on Steam, allowing players to play the game using compatible controllers without requiring keyboard and mouse controls.

Additional Steam Features

Subnautica 2 supports single-player and online co-op multiplayer for up to 4 players, along with cross-platform multiplayer, Steam Cloud, and Family Sharing support.

Subnautica 2 Steam Deck

Available on Steam Deck Devices

Subnautica 2 is currently playable on Steam Deck through its Early Access version. Performance, controls, and overall compatibility may continue to improve as future updates and optimization patches are released during development.

Steam Deck Compatibility

Subnautica 2 can currently be played on Steam Deck through the Steam version of the game, as it has been officially verified for Steam Deck.

Steam Deck Features

Steam Deck Multiplayer

Steam Deck players can access Subnautica 2's online co-op multiplayer mode provided they have an internet connection and Steam online features enabled.

Subnautica 2 Steam Special Offer

Special Sale Events

Subnautica 2 was featured during the Steam Ocean Fest 2026 event held from May 18th to May 25th, 2026. The event highlighted ocean-themed games, including underwater survival, exploration, sailing, and aquatic adventure titles on Steam.

Reaper Statue Base Decor

The Reaper Statue is a decorative base item inspired by the iconic Reaper Leviathan from the original Subnautica. Originally announced as a launch-week reward, the item was later made available to all players during Subnautica 2 Early Access.

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Walkthrough (Early to Late-Game)	Plant Farming Guide	Cooking and Recipes Guide
Best Biomods	Best Tadpole Upgrades	Metal Farm Guide

Progression & Priorities
Early Game	Mid-Game	Late Game

Lists

All Leviathans	All Items List	Biomes & PoI List
Blackbox List	Recipe Data Cards (Blueprints)	Vehicle List
Buildings & Facilities List

Notable Items

Salt	Silver	Copper
Lead	Lucifer Rotsac	Conduit Crystals
Creature Enamel	Enameled Glass	Troilite
Celestine

Guides for Beginners

Multiplayer Guide	How to Eat Food (Digestion)	How to Craft Items
Drinking Water Guide	How to Craft Air Tank?	How to Get Basic Fins
Scanner Station Guide	How to Manage Your Oxygen?	Base Guide
Alien Ruins	How to Use Coordinates	Tadpole Guide
How to Get More Storage	How to Get a Rebreather	Bioscanner Guide
Night Survival Guide	How to Heal	Angel Comb Guide
How to Power Your Base	How to Recharge Batteries and Tools	How to Get the Repair Tool
World Tree Guide	Flashlight Guide	Strong Acid Guide

Pre-Game Guides

Specs Requirements	New Game Features	Is There Crossplay?
Supported Devices	Update & Roadmap	How Long to Beat?
Can You Play Subnautica 2 on PS5 and PS4?	Is Subnautica 2 on Xbox?	Is Subnautica 2 on Steam?