Source-checkedQuality of life & UI

Captain Expansion

by MrKielbasa · for Barotrauma

Captain Expansion Significantly expands the Captain role by introducing new talents focused on leadership, combat, economy, and crew support. The mod also adds several new submarine upgrades,…

2.4KDownloads
5 mo agoLast updated
Steam WorkshopSource

About Captain Expansion

From Steam Workshop

Captain Expansion Significantly expands the Captain role by introducing new talents focused on leadership, combat, economy, and crew support. The mod also adds several new submarine upgrades,…

Captain Expansion

Significantly expands the Captain role by introducing new talents focused on leadership, combat, economy, and crew support.

The mod also adds several new submarine upgrades, including advanced sonar systems and weapon improvements, providing captains with more strategic tools during long campaigns.

New Captain Talents

  • Leadership talents that improve crew performance.
  • Combat talents focused on revolvers, melee weapons, and survival.
  • Economic talents that increase mission rewards and reduce costs.
  • Crew-wide progression bonuses.
  • New crafting unlocks and utility abilities.

New Ship Upgrades

Rapid Loading System

Reduces turret reload time, allowing weapons to maintain higher sustained fire during combat.

Extended Sonar Range

Increases sonar detection range, making navigation and threat detection easier.

Sonar Calibration

A completely new sonar mechanic.

Active sonar pings can stun and push back hostile creatures detected within the sonar cone.

Higher upgrade levels increase stun duration and effectiveness.

Infection Detector

Allows the sonar to detect infected lifeforms and biological threats.

Detected targets appear on the sonar similarly to mineral deposits, providing early warning of potential danger.

Features

  • New Captain talents.
  • Leadership-focused gameplay.
  • New combat options.
  • Crew-wide bonuses.
  • Improved economy and trading.
  • Sonar creature stun system.
  • Infection detection technology.
  • New submarine upgrade paths.
  • Enhanced turret performance.
  • Multiplayer compatible.
  • Campaign friendly.

Requirements

Lua For Barotrauma

Notes

Captain Expansion was designed to make the Captain a more active and meaningful role while preserving the vanilla feel of Barotrauma.

Additional talents and ship upgrades may be added in future updates.

Highlights

From source data

Footprint

Rated a light load on a server.

Last update

Its author last shipped an update 5 mo ago.

Captain Expansion on Nxeon

From our catalogue
One-click install
Not available. One-click install isn't available for this game's mods yet. Download it and upload it to your server in Files.
Server load
light
Smallest plan we suggest
Barotrauma — 2 GB (2 GB RAM). This follows our own load rating above, not a benchmark.
Latest build
2026-06-02, released 2026-06-02

Game versions by loader

LoaderGame versionsNewest
Workshop

From 1 recorded build of Captain Expansion.

Dependencies

Declared by the newest build that lists any. Required ones are installed with it on one-click installs.

Run Captain Expansion on a Barotrauma server

Deploy a server above, then upload the file in Files.

What kind of mod it is

From the catalog
Listed on Steam Workshop as “QoL”

Quality of life & UI

Small conveniences, tweaks and interface improvements players notice straight away.

Compatibility

Game
Barotrauma

Verified at the source

  • ✓Steam WorkshopOfficial listing, checked 2026-10-10Open ↗
  • ✓AuthorMrKielbasa, as published on Steam Workshop
  • ✓LicenseNot published by the sourceFree

Captain Expansion, answered

Generated from the mod’s own source data.

Is it free?

Yes. Captain Expansion is free to download from Steam Workshop.

How do I add it to my Nxeon server?

One-click install isn't available for this game's mods yet. Download Captain Expansion from Steam Workshop and upload it to your Nxeon Barotrauma server in Files.

NxLabs

Run Captain Expansion on a Barotrauma server.

Deploy in about a minute from $4.99 a month, then upload Captain Expansion in Files.