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Subnautica 2 Early Access — What's Included, Roadmap & What to Expect

Updated 2026-06-02

Subnautica 2 Early Access launched on May 14, 2026, offering a substantial but incomplete version of the full game. Understanding what Subnautica 2 Early Access includes — and what it leaves for future updates — helps set expectations and guides purchasing decisions. This guide covers everything in the Subnautica 2 Early Access build, the announced roadmap, and what players can expect from the development cycle leading to 1.0.

Current Early Access content

The Subnautica 2 Early Access build includes roughly 40% of the planned map area, covering six complete biomes: the Safe Shallows, Kelp Caves, Grass Plateaus, Thermal Spires, Jellyshroom Caves, and the upper Deep Zone. Four craftable vehicles are available: the Seamoth, Prawn Suit, Sea Truck, and Glider Ray mount. The base building system is fully functional with all room types, power options, and defense modules. Story content covers the first two acts, introducing the Precursor threat and the mystery of the Arch Ship. Subnautica 2 Early Access also includes full four-player co-op from day one.

Content CategoryEarly Access StatusPlanned for 1.0
Biomes6 of ~15Full ocean map
Vehicles4 of ~7All vehicle types
Creatures35 of ~80Complete ecosystem
Base ModulesAll core typesAdditional decorations
Story Acts2 of 5Full narrative
Co-opFully implementedContinued optimization

Roadmap and upcoming updates

Unknown Worlds has published a Subnautica 2 Early Access roadmap showing five major content updates before 1.0. Update 1 (August 2026) adds the Floating Islands biome and the Sea Truck depth module MK3. Update 2 (November 2026) introduces the Crystal Caverns and the first Precursor base interior. Update 3 (February 2027) brings the Lava Corridors and a new leviathan species. Update 4 (May 2027) adds the Abyssal Trench and the rocket platform. Update 5 (August 2027) completes the story and introduces the final biome. The Subnautica 2 Early Access roadmap estimates the full 1.0 release for late 2028, with smaller balance patches between major updates.

Save files from Subnautica 2 Early Access are compatible with all updates. Your bases, vehicles, and progress carry forward through the entire Early Access period and into 1.0.

Console versions of Subnautica 2 Early Access arrived in August 2026 for Xbox Series X|S and PlayStation 5, launching at the same build version as the PC update 1. The console Subnautica 2 Early Access price is identical to PC, and Xbox Game Pass subscribers can play at no additional cost on the Game Pass Console or Ultimate tiers. Cross-save between Xbox and Windows PC is supported for Microsoft account users within the Subnautica 2 Early Access ecosystem.

FAQ

How long will Subnautica 2 be in Early Access?
Unknown Worlds estimates approximately two years of Early Access, with the full 1.0 release targeted for late 2028. Five major content updates are planned during this period.
Is Subnautica 2 Early Access worth buying now?
The Early Access build offers 6 biomes, 4 vehicles, 35 creature species, and full co-op — roughly 15–25 hours of content. If you want to experience the foundation and watch it grow, the current $29.99 price is the lowest it will be before the 1.0 price increase.

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