UtilitySlots

⭐ ⭐ (266 endorsements) 📥 36,806 downloads 📌 v1.0.0.0 📅 11/8/2025
🟡 Updated this year

By Ayaelle · Vehicles and Upgrades

⬇ Download Mod Source: Nexus Mods 📅 Updated: 11/8/2025 📅 Created: 11/8/2025
⚠️ Install Order · 3 steps
1🛠️ BepInEx — BepInEx framework Download ↗
2🧩 QModManager — QModManager Download ↗
3📦 SlotExtender Find it →

Install in this order, then this mod last — most mods fail to load without their framework and dependencies in place.

🔍 Analysis

  • 👍 0.7% endorsement rate
  • ✅ Updated 36 days after the latest game patch — actively maintained
  • 🏆 #25 of 124 Vehicles and Upgrades mods in this game by downloads

📋 About This Mod

ALL CREDIT TO SENNA7608

This mod only work for Nautilus pre-46 and further !

This mod is my first mod and come from a moderate modification from another mode source code.

I released the mod in this state to be able to deliver as fast as possible a solution to every player who wanted to continue playing with it actually !

I'll do further update to provide a full self made mod !

If you have any issues with the mod let me know in comment and i'll make my possible to adress an update

UtilitySlots is an updated version of SlotExtender which was not updated by the author after the last Nautilus update (pre-46).

I'll try my best to keep this mod updated to every patch of Nautilus and BepInEx

  • []UtilitySlots adds two extra chip slots to the personal equipment.

    []UtilitySlots adds (max. eight) extra upgrade module slots to the Seamoth and the Prawn Suit.

    []UtilitySlots adds (max. eight) extra upgrade module slots to the Cyclops.

    []UtilitySlots is automatically compatible with all vanilla upgrade modules and should even be compatible with all modded upgrade modules for the Chip, Seamoth, Prawn Suit and the Cyclops.

    []Torpedo Modules for the Seamoth can only be added in slots 1-4.

    []Prawn Suit storage modules limited to four!

    []UtilitySlots also adds extra QuickSlots for the extra slots.

  • []Default keys:

    []'R' for Prawn storage access. May not work, known issue !

    []'T' for Vehicle upgrade access. May not work, known issue !

    []'Upgrade Slot 1-4 hotkeys' for Seamoth storage access (if there is a storage module).

    []'6,7,8,9,0,/,=' for extra module hotkeys.

    []The contents of all the upgrade slots, including the extra ones, is handled by the normal game save files.

    []Slot layout can change in configfile (Grid, Circle)

    Requirements:

    • [] BepInEx Subnautica Pack

      [] Nautilus (always prefer to go from the github to get nautilus)

      IMPORTANT

      BEFORE INSTALLING this mod and if you encouter any save state problems after having it installed and if you used to run SlotExtender follow thoses steps :

      []Launch your game and your saves and make a fresh save !

      []Go into \Steam\steamapps\common\Subnautica\BepInEx\plugins

      []Delete any SlotExtender files !

      []Go into \Steam\steamapps\common\Subnautica\BepInEx\config

🤖 AI-enhanced — based on mod data

UtilitySlots is a Subnautica mod that expands vehicle inventory, adding up to 8 extra slots (total 12) for the Seamoth, Prawn, and Cyclops, plus 2 chip slots. It's an upgrade to SlotExtender by Senna, currently working. With 266 endorsements and recent updates, it's a practical quality-of-life mod for vehicle storage.

✨ Key Features

Adds up to 8 extra slots (total 12) to Seamoth, Prawn, and Cyclops.
Adds 2 chip slots for additional equipment.
Upgrade from SlotExtender mod by Senna.
Currently working as of last update.

📊 Pros & Cons

✅ Pros

  • Community-trusted with 266 endorsements and 36k downloads.
  • Recent update (Nov 2025) suggests active maintenance.
  • Boosts vehicle storage significantly—handy for long expeditions.

⚠️ Cons

  • Requires the original SlotExtender mod as a base, so extra dependency.
  • Only adds slots—no other gameplay changes, so not for those wanting more.
  • Compatibility with other vehicle mods unverified—might conflict.
🎯 Is This For You?
For Subnautica players who hate running out of storage in their vehicles. If you're a hoarder or do long deep-sea dives, this is a must-have. Skip if you want gameplay overhauls—this is purely a storage QoL mod.
📦 Install:Easy· Under 1 minute

💡 Beginner Tips

  • Make sure you have SlotExtender installed first, as UtilitySlots builds on it.
  • After installing, load your save and check vehicle storage—slots should appear immediately.
  • If you use other vehicle mods, test in a new save to avoid conflicts.

📊 Mod Details

Game
Subnautica Mods
Author
Ayaelle
Version
1.0.0.0
Downloads
36,806
Endorsements
266
Category
Vehicles and Upgrades
Created
11/8/2025
Updated
11/8/2025

🧩 Commonly Used Together

Users add these mods to the same collections — a real compatibility signal, not an AI guess.

🔧 How to Install Subnautica Mods

Download from Nexus.

📖 Full step-by-step install guide for Subnautica →

Visit the official mod page for specific installation instructions for this mod.

🎮 Need cheat codes or console commands? Check ur gaming wiki for Subnautica commands, item IDs, and more.

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