Hippo Submarine

⭐ — (0 endorsements) 📥 3 downloads 📌 v1 📅 10/5/2026
🟢 Updated this month

By SzymonBit · Vehicles

⬇ Download Mod Source: Nexus Mods ↗ 📅 Updated: 10/5/2026 📅 Created: 10/5/2026

🔍 Analysis

  • ✅ Updated 47 days after the latest game patch — actively maintained

📋 About This Mod

A little submarine i made for subnatuica 2

Hippo

This is a port of a subnautica 1 mod im making that adds a new submarine, designed to haul weights

Explaining some tags

  • []AI-generated content: All code is made by claude, also helped me through making this mod[/]

    []AI media: I used the claude generated description for reference and for things that i couldnt describe[/]

    Requirements

    • []Subnautica 2 0. 1. 2. 2. Probably will be broken on later versions[/]

      []UE4SS - Subnautica 2. the mod was tested with UE4SS build e3ba1016[/]

      Features

      • []Crafting: You craft it in a seperate category in the vehicle fabricator[/]

        []Utilities inside: Hippo starts with a fabricator, two lockers and a single power cell[/]

        []Entering: use the hatch hole on top to enter the hippo, the inside is walkable like the cyclops[/]

        []Piloting: Piloting is like the seamoth or tadpole[/]

        []Outside view: You can go into third person with F2[/]

        []Power: Hippo can run on two power cells at once[/]

        []Damage: Has crush depth and collision damage[/]

        []Upgrades: The hippo uses the tadpole upgrades. The ones that work in the hippo are the crush depth module, solar module and engine efficiency module[/]

        []Building: You can build inside but its kinda buggy[/]

        []Tadpole docking: You can dock a tadpole with this vehicle, you need to drive into the back of the hippo to dock it.[/]

        []Colors: You can change the hippo's color with preset colors[/]

        []Everything saves, i think[/]

        Installation

        • []Install UE4SS for Subnautica 2 and start the game once.[/]

          []Extract the archive into the game's folder (...\steamapps\common\Subnautica2), so that you have Subnautica2\Mods\Hippo and Subnautica2\Binaries\Win64\ue4ss\Mods\HippoHelm.[/]

          []Start the game.[/]

        To uninstall, empty the Hippo's lockers, power cell slots and upgrade panel first and take down what you built inside it (a Hippo in a save is gone once the mod is), then delete those two folders.

        Good to know

        • []The hippo sinks when there is zero hull percent, but you can still repair it[/]

          []Hippo doesnt take damage or run out of power on creative[/]

          []Things built on the outside of the hippo dont get carried by it[/]

          []I didn't test multiplayer yet, but i will soon[/]

          Credits

          • []Created using the Unofficial Subnautica 2 modkit.[/]

            []UE4SS.[/]

            []The model is made by me, ported from the subnautica 1 mod[/]

            []Claude made all of the code[/]

            A fan-made mod. Not official Subnautica 2 content, and not affiliated with or endorsed by Unknown Worlds or KRAFTON.

📊 Mod Details

Game
Subnautica2 Mods
Author
SzymonBit
Version
1
Downloads
3
Endorsements
0
Category
Vehicles
Created
10/5/2026
Updated
10/5/2026

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