Slot Extender 2025 (BepInEx - Nautilus)
🟡 Updated this year⚠️ Install Order · 4 steps
Install in this order, then this mod last — most mods fail to load without their framework and dependencies in place.
Preview
🔍 Analysis
- 👍 1.0% endorsement rate — high engagement, a strong quality signal
- ✅ Updated 182 days after the latest game patch — actively maintained
- 🏆 #46 of 124 Vehicles and Upgrades mods in this game by downloads
📋 About This Mod
This mod gives you 2 more chips and your seamoth/prawn suit 12 upgrade modules. It also enables you to access your vehicle's inventory/upgrades by pressing R/T (respectively) inside of it.
Hotkeys and amount of upgrade modules are changeable in settings in the game or by editing the config file.
This mode is compatible with MoreChipSlots and MoreCyclopsUpgrades mods
All credit goes to senna7608 for making the mod, visolar6 for providing tools to compile it and ShinoxZ for compiling it to the latest version of Nautilus and ripping the Cyclops part of the code out (so that it works with Purple's MoreCyclopsUpgrades mod).
Installation instructions
Just open the zip folder and drag the "plugins" file into the BepInEx folder
Requirements
To senna7608:
If you have any issues with this notify me either here or on ponorkasub@gmail.com, I don't want any beef, I just want to provide people with a working version of your mod (because it's great lol)
Slot Extender 2025 adds two more chips and expands Seamoth/Prawn suit upgrade slots to 12, plus lets you access vehicle inventory/upgrades with R/T hotkeys (rebindable in settings). A practical QoL mod for Subnautica players who want more customization.
✨ Key Features
📊 Pros & Cons
✅ Pros
- Solid community trust with 147 endorsements and over 14k downloads.
- Directly addresses a common pain point—limited upgrade slots—with a simple fix.
- Rebindable hotkeys mean you can tailor controls to your playstyle.
⚠️ Cons
- Last updated April 2026—may not be compatible with future game patches.
- Requires BepInEx and Nautilus, which adds setup complexity for new modders.
For Subnautica players who want to squeeze more performance out of their Seamoth and Prawn suit without juggling mods. Skip if you prefer vanilla balance or aren't comfortable with BepInEx mods.
💡 Beginner Tips
- Make sure BepInEx is installed first—this mod won't work without it.
- After installing, launch the game once to generate the config file, then edit hotkeys in the in-game settings menu.
- If you're new to modding, watch a quick tutorial on BepInEx setup to avoid common pitfalls.
📊 Mod Details
- Game
- Subnautica Mods
- Author
- senna7608
- Version
- 1.0
- Downloads
- 14,683
- Endorsements
- 147
- Category
- Vehicles and Upgrades
- Created
- 4/2/2026
- Updated
- 4/3/2026
🔧 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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