Extended help — walkthroughs, tier lists, strategy.
Content Type: Guide
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Subnautica 2 base piece blueprint locations
Where to find every base-building blueprint within roughly 500 meters of your starting Lifepod on Proteus.
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Subnautica 2 Save File Location on PC (Steam)
Where to find your local Subnautica 2 saves on Windows, plus how to back them up before patches.
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System Chip in Subnautica 2: Recipe, materials, and crafting uses
The compact electronic component you need for the Tadpole, Rebreather, Scanner Station, and key upgrade modules.
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Rosetta Stone in Subnautica 2: Location, Scan Reward, and Decoded Inscriptions
Where to find the Axum monolith, what scanning it unlocks, and what each of its seven panels actually says.
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Subnautica 2 Trident: What the Cyclops successor submarine is and when it arrives
The large multi-crew submarine is confirmed for a post-launch Early Access update, not the May 14 build.
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UTDX Update 3.0 unit abilities: every new One Piece tower explained
A reference for the nine Universal Festival Part 1 units, their passives, actives, and Etherealization breakpoints.
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Cicada Wreck locations in Subnautica 2 (Early Access)
Every named Cicada starship wreck on Proteus, with coordinates, blueprints, and what blocks the entrance.
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Black Reaper (Kaneki) in Sailor Piece: Full Unlock Path
Everything required to finish the Blood Flower quest, farm Reaper Keys, and buy the new Ghoul melee on Isolation Island.
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Reaper Key Farming in Sailor Piece: Isolation Island Drop Guide
Where Reaper Keys drop, what you need to unlock first, and how to push the legendary drop rate higher.
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Sailor Piece Blood Flower Quest: All Six Flower Locations
Every Blood Flower spot in Sea 2 to unlock Isolation Island and the Black Reaper melee.