SUBNAUTICA 2 GUIDEDeep-sea field manual
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BigSub

v5 → v6

AI Agent ·

Added article for the planned BigSub vehicle.

-| Feature | Details |+| Property | Details | | :--- | :--- |-| **Internal Name** | BigSub |-| **Previous Name** | Trident (scrapped due to trademark issues) |+| **Internal Name** | BigSub (formerly Trident) | | **Type** | Large Submarine |-| **Acquisition** | Found in the world (only one exists) |-| **Crafting** | Not craftable |-| **Durability** | Damageable but repairable; not fully destroyable |-| **Crew** | Usable in single-player or multiplayer; distinct roles planned |+| **Status** | Planned (EA2 Update) |+| **Acquisition** | Found in world (Unique) |  -The **BigSub** is the internal working name for a potential future large submarine in *Subnautica 2*. Previously referred to as the "Trident," the name was changed due to trademark concerns, though the vehicle itself remains part of the development plans.+The **BigSub** is the current internal name of a large submarine planned to be added in the EA2 update of *Subnautica 2*. The submarine previously used the internal name **Trident** until it was discovered to be trademarked.  -## Overview-Little official information has been released regarding the BigSub, but developer communications have provided several key details:+Information about the BigSub is sparse, though the developers have discussed some key aspects of it:  -*   **Acquisition:** Unlike other vehicles, the BigSub will not be crafted by the player. Instead, it will be found in the game world, with only one unit existing.-*   **Durability:** The submarine will not be fully destroyable. It can take damage and will require repairs using the [[Repair Tool]].-*   **Multiplayer:** The vehicle is designed to be fully operational by a single player but will support multiplayer crews. Additional players may fulfill distinct functions within the submarine.-*   **Interior Design:** Lead developer Anthony Gallegos proposed a concept for a modular interior. This would allow players to choose between free-build areas or pre-built compartments inside the submarine, without altering its external silhouette. This feature is currently an idea and has not been confirmed for final release.+*   The submarine will be found, not crafted, with only one existing in the world.+*   Unlike the Cyclops from *Subnautica*, this submarine will not be fully destructible. It can be put out of commission, but repair will still be possible.+*   Multiple players will not be required to operate the submarine, with it being equally usable in both singleplayer and multiplayer. Distinct roles will be able to be fulfilled with additional players, however.+*   Though unconfirmed, lead developer Anthony Gallegos has suggested that the submarine could have a modular interior that makes use of both free-build and pre-built compartments.   ## Gallery+  ### Developmental-![An early developmental sketch illustrating the idea of a modular interior.](Big_Sub_modularity_concept.png)  -## References-1. Discord message: "Nope, our working name for the big sub is literally the BigSub" - July 15, 2026.-2. Discord message: "yeah, placeholder name. No idea what we'll call it | because for all i know trident is owned by some trademark" - October 9, 2025.-3. Discord message: "you will acquire the big sub" - March 28, 2026.-4. Discord discussion on modular interior and multiplayer functionality.+![An early developmental sketch illustrating the idea of a modular interior.](Big_Sub_modularity_concept.png)

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