Guides
Answer-first guides for this hub. Each one opens with the answer, then explains where it comes from.
Subnautica 2 map size: what the game has shipped so far
Unknown Worlds has published no size figure for Subnautica 2, and the world is still growing update by update. Here is what has actually shipped and how the map gets measured.
Updated 2026-09-02
Subnautica 2 biomes: every region named in official update notes
Unknown Worlds has never published a biome list, but its own patch notes name regions. Here is every one that has appeared in official Subnautica 2 update notes, and what is still missing.
Updated 2026-09-02
Subnautica 2 resources: what is confirmed and why locations move
Which Subnautica 2 materials appear in official update notes, why Early Access moves their spawns, and what a resource map has to publish to stay usable.
Updated 2026-09-02