SeamothModuleExpansion (BepInEx)

subnautica — Mods & Enhancements

SeamothModuleExpansion is a BepInEx mod for Subnautica that adds high-tier propulsion and depth upgrades to the Seamoth, enhancing late-game exploration. With 21 endorsements and nearly 2,000 downloads, it's a niche but functional addition for players seeking more capability from their submersible.

📦 Full mod page on discovermods

Downloads, ratings, compatibility info, installation guides, and user reviews.

View on discovermods →

Syntax

Gameplay

Example

Downloads: 1,988 | Endorsements: 21

💡 Notes

By UDRaistlin | vv1.3.5 | 21 endorsements

🎯 Tips & Tricks

Make sure BepInEx is installed correctly before adding this

Make sure BepInEx is installed correctly before adding this mod—check the BepInEx folder structure.

Back up your save before installing any mod, just in case

Back up your save before installing any mod, just in case.

If the upgrades don't appear, verify the mod is in the corre

If the upgrades don't appear, verify the mod is in the correct BepInEx/plugins folder.

🔧 Troubleshooting

Mod not working

Check load order and required dependencies. Read the full mod description.

⚠️ Common Mistakes

Installing multiple mods that modify the same files without checking compatibility

👍 Pros

Fills a real gap for late-game Seamoth upgrades.
Decent download count (1,988) shows some interest.
Simple concept—just adds the upgrades you need.

👎 Cons

Low endorsement count (21) suggests limited community validation.
No install instructions provided—you'll need to know BepInEx basics.
Last updated March 2026—may not be compatible with future game patches.

← Back to all subnautica Mods & Enhancements