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Planet Zezura
May 8, 2026 at 09:06 AM
Applied Title Case to body headings
Planet Zezura is the alien ocean world where Subnautica 2 takes place. It is an entirely new planet distinct from Planet 4546B. Zezura features vast underwater biomes, towering coral formations, deep trenches, and a hostile surface environment. The planet's ecosystem is threatened by a mysterious organism called the Blight, a bacterium that is disrupting the natural balance of the world. Players arrive on Zezura as pioneers after a 14-year journey in cryosleep, tasked with surviving the ocean depths and uncovering the planet's secrets.
Players are pioneers who have been asleep for 14 years during the interstellar journey to Zezura. Upon arrival, the ship's AI delivers the game's central premise: "This world is too dangerous for humans to survive... Unless you change what it means to be human." This cryptic message hints at the Biosampler system, which allows players to collect genetic samples from alien creatures and use them to modify their own biology. The pioneers must establish a foothold on an alien world while unraveling why the planet's ecosystem is "out of balance."
Unlike Planet 4546B, which had several explorable surface islands, Zezura's surface is largely inhospitable. Promotional materials and trailers show a barren, desert-like landscape above the waterline with rocky terrain and minimal vegetation. The true diversity and life of Zezura exists beneath the waves. Atmospheric conditions on the surface remain dangerous, strengthening the game's focus on underwater exploration and survival.
Biome names have been identified from development files and official media. These may evolve during Early Access, but the following zones have been confirmed:
Biome | Description |
|---|---|
The shallow, safe waters where players first arrive. Rich in basic resources and non-aggressive fauna. The Start Zone is the tutorial and early-game area. | |
Lively coral formations with diverse marine life. Contains two sub-biomes: Dolerite Spires (tall rock pillars) and Graveyard Spires (darker, more dangerous coral structures). | |
A confirmed biome on Zezura. Dense underwater forests of towering kelp, providing cover and resources. Likely is a mid-game exploration zone. | |
Vast flat plateaus populated by bioluminescent jellyfish-like creatures. Thermal vents provide geothermal energy sources for base building. | |
Ancient alien structures overtaken by marine life. Likely contains lore artifacts and advanced technology blueprints connected to Zezura's past civilization. | |
Open, relatively barren underwater plains. Low visibility and fewer resources, but may connect key biomes as a transitional zone. | |
A massive underwater structure resembling a colossal tree. One of the most visually striking biomes, likely housing unique creatures and deep-lore elements. | |
A specialized biome whose purpose is not yet clear. The name suggests a unique environmental mechanic or creature type. | |
Void | The deep, open-ocean abyss beyond the map's main biomes. Traditionally the most dangerous zone in Subnautica games, home to massive leviathan-class creatures. |
The Blight is a mysterious bacterium that is spreading across Zezura's ecosystem and disrupting the planet's natural balance. It appears as a corrupting force affecting both flora and fauna. The Blight is a central narrative threat. Understanding and potentially curing it may be a core objective of the game's story. Players encounter Blight-affected zones where creatures behave more aggressively and the environment becomes increasingly hazardous.
Zezura is home to an entirely new set of alien creatures. None of the species from Planet 4546B return. Confirmed or spotted fauna includes:
Creature | Type | Notes |
|---|---|---|
Leviathan-class | A massive glowing leviathan featured prominently in the reveal trailer. Appears to collect or absorb smaller creatures. | |
Small fauna | Revealed in official screenshots. A smaller, non-threatening creature found in shallow biomes. | |
Thermal Vent Jellyfish | Ambient fauna | Bioluminescent jellyfish-like creatures spotted near geothermal vents in the Jelly Plateaus biome. |
Blight-affected creatures | Hostile variants | Standard fauna corrupted by the Blight bacterium. More aggressive behavior and altered appearance. |
The full creature roster has not been revealed.
The Biosampler is a new tool unique to Subnautica 2. It allows players to collect genetic samples from alien creatures and use those samples to modify their own biology. This "change what it means to be human" mechanic is central to surviving Zezura's increasingly dangerous depths. Genetic modifications may grant abilities like enhanced oxygen capacity, pressure resistance, or bioluminescence. Though specifics are still being revealed during Early Access development.
Subnautica 2 introduces redesigned vehicles for exploring Zezura's depths:
Base building has been completely redesigned with greater flexibility and creativity compared to previous entries. Players can construct customizable underwater bases using modular components.
For the first time in the series, Subnautica 2 supports online co-op for up to 4 players. Co-op is described as an optional addition. The game is designed primarily as a single-player experience that can be shared with friends. Players explore, build, and survive together on Zezura. The multiplayer implementation was a major factor in the studio's decision to move to Unreal Engine 5.
Spec | Minimum | Recommended |
|---|---|---|
OS | Windows 10 / 11 | Windows 11 |
CPU | Intel i5-8400 / AMD Ryzen 5 2600 | Intel i7-13700 / AMD Ryzen 7 7700X |
RAM | 12 GB | 16 GB |
GPU | GTX 1660 / RX 5500 XT | RTX 3070 / RX 6700 XT |
Storage | 50 GB | 50 GB |
Subnautica 2 launches in Early Access on May 14, 2026 at 08:00 PDT (15:00 UTC) for $29.99 USD on PC (Steam, Epic Games Store, Microsoft Store), Xbox Series X|S, and ROG Xbox Ally, with day-one Xbox Game Pass Ultimate and PC Game Pass availability. PlayStation 5 availability has not been confirmed.
