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EA · HOTFIX 4 · 14 AUG 2026

SUBNAUTICA 2 ROADMAP
2026 EARLY ACCESS UPDATE SCHEDULE

Every hotfix, content update and the 1.0 launch date for Subnautica 2 Early Access — tracked, explained and linked to the guides that cover each change. Updated for Hotfix 4 (Aug 14, 2026).

2026 UPDATE TIMELINE

Official Early Access plan — tracked per update

HOTFIX 4 — SHIPPED LIVE · 14 AUG
  • Leviathan grab now has a 3s dodge window
  • Lithium spawn density in Dolerite Spires +25%
  • Co-op host-migration base permissions fixed
  • PRAWN depth MK3 craftable before story lock
Full patch notes explained →
v0.5 — "ABYSS DEPTHS" SEP 2026

New biome below 1,700m, 2 new leviathans, Seamoth MK4 module, co-op ping wheel.

New biome on the map →
v0.6 — "REEF ARCHITECT" OCT–NOV 2026

Base-building overhaul: room rotation, glass corridors, structural integrity rework, new power options.

Best base locations for the new build →
1.0 — FULL RELEASE Q4 2026 · TBD

Story completion, PS5 / Mac ports, save migration, mod support.

EXPLORE THE WORLD

Guides for everything the updates touch

Screenshots & Media

Community-sourced screenshots · official assets · real in-game data · source credited

Subnautica 2 underwater exploration — player swimming through coral reefs with fish and seaweed, bright shallow waters
Steam official · exploration
Subnautica 2 deep ocean scene — giant underwater structure in bioluminescent twilight zone
Steam official · deep ocean
Subnautica 2 underwater landscape — deep ocean terrain with coral formations and sunlight rays piercing the water
Steam official · underwater terrain
Subnautica 2 leviathan encounter — massive horned creature with red eyes and blue bioluminescent dots looming over a small submersible in deep water
Community · leviathan encounter · deep water
Subnautica 2 Deep Wing Mother Whale — close-up of whale-like leviathan with tentacle appendages in blue deep water
Community · Deep Wing Mother Whale — in-game encounter
Subnautica 2 underwater base at shallow depth — modular habitat with Tadpole vehicle docked, Coral Gardens biome
Community · shallow base — early-game station with coordinates
Subnautica 2 Root Canyon biome — deep green water with stone column and bioluminescent tip, purple creature on canyon floor
Root Canyon · 364–750m · Karakorum Ruins
Subnautica 2 Overgrown Ruins — alien architecture overgrown with red coral and bioluminescent pink flowers, teal water
Overgrown Ruins · 0–600m · Karakorum Ruins
Subnautica 2 giant creature encounter at 239m — multiple-eyed leviathan with bioluminescent patterns in Plateaus area
Community · giant creature at 239m · Plateaus biome
Screenshots sourced from Steam store assets, Bilibili community (credited), and official wiki · Fair use for guide/reference

ROADMAP FAQ

When is Subnautica 2 1.0 coming out?
Full release is planned for Q4 2026 (date TBD). Until then the game stays in Early Access with content updates — v0.5 "Abyss Depths" lands September 2026.
What's the current Subnautica 2 patch?
Hotfix 4 (v0.4.2.117, Aug 14 2026) — the latest update. It fixed the leviathan grab dodge window and boosted Dolerite Spires lithium spawns.
Is Subnautica 2 still being updated?
Yes — the devs run a hotfix cadence plus scheduled content updates. The 2026 roadmap here tracks every build; nothing has been cancelled.
Does a new update add new biomes?
v0.5 adds a new biome below 1,700m — see the full map for current biome depths.