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what is ostrasort fr?

valtora/ostrasort — explained in plain English

Analysis updated 2026-05-18

3C#Audience · generalComplexity · 2/5LicenseSetup · easy

tl;dr

A Windows mod manager for the game Ostranauts that sorts your load order, merges conflicting mods, and warns you when something is broken.

vibe map

mindmap
  root((Ostrasort))
    What it does
      Sorts mod load order
      Merges conflicting mods
      Health check before launch
    Tech stack
      C#
      dotnet
      Windows
    Use cases
      Fix mod conflicts
      Manage mod profiles
      Debug a crashing mod setup
    Audience
      Ostranauts players
      Modders

Code map

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filefunction / class

what do people make with this?

VIBE 1

Check whether your Ostranauts mod setup is healthy before launching the game.

VIBE 2

Automatically sort mods into a valid load order.

VIBE 3

Merge two mods that conflict, such as ones that both edit the same shop inventory.

VIBE 4

Diagnose which mod caused a crash by reading the game's log after launch.

what's the stack?

C#.NETWindows

how it stacks up fr

valtora/ostrasorterikphilips/cs4aijakobsung/luthn
Stars333
LanguageC#C#C#
Setup difficultyeasymoderatehard
Complexity2/54/54/5
Audiencegeneraldeveloperdeveloper

Figures from each repo's GitHub metadata at analysis time.

how do i run it?

Difficulty · easy time til it works · 5min

Windows only, early and unstable development, edits your load order file directly so backups are recommended.

Use freely for any purpose, including commercial use, as long as you keep the copyright notice.

in plain english

Ostrasort is a mod manager for the game Ostranauts, made by Blue Bottle Games. You run it before launching the game, and it checks your whole set of installed mods, tells you in plain words whether everything looks healthy, and helps you fix problems if there are any. The core issue it solves is that Ostranauts loads mods in a specific order listed in a file, and when two mods change the same thing, the game quietly keeps only one change and drops the other, without warning the player. Sorting that out by hand means reading raw JSON files and guessing at the correct order. Ostrasort shows a health card that answers whether you are okay to play: green means nothing to do, amber lists each issue in plain language with a one click fix, and red means the game itself reported a problem after its last launch, with Ostrasort naming the responsible mod. It scans the base game plus your local, Steam Workshop, and BepInEx mods, figures out what each one actually changes, and suggests a load order with the smallest possible change from your current setup. When two mods genuinely conflict, it can build a small compatibility patch that merges both changes together, for example combining two mods' shop inventories so neither one loses its items, and it walks you through any remaining disagreements with a short guided wizard. Beyond those core features, Ostrasort works as a full mod manager: you can enable, disable, or remove mods, install one from a zip file that never came through the Workshop, save your setup as a named profile, and manage more than one game installation. It keeps a backup of every change with full undo and redo, can read the game's log after a launch to point errors at the specific mod that caused them, and can generate a shareable report or a pre-filled bug report. Every feature is also available from the command line for scripting. The project supports mods installed outside the Steam Workshop, including one called FFU, though it recommends using only Steam Workshop mods since FFU ties itself to one exact game version. The tool is Windows only, in early and admittedly unstable development, and edits your load order file directly, so the author recommends backing up your save first. It is released under the MIT license and is not affiliated with Blue Bottle Games.

prompts (copy fr)

prompt 1
Walk me through installing Ostrasort and running it for the first time on my Ostranauts mod folder.
prompt 2
Explain what Ostrasort's health card colors mean and what I should do for each one.
prompt 3
Help me understand how Ostrasort merges two mods that both change the same shop inventory.
prompt 4
Show me how to use Ostrasort from the command line to sort my load order in a script.

Frequently asked questions

what is ostrasort fr?

A Windows mod manager for the game Ostranauts that sorts your load order, merges conflicting mods, and warns you when something is broken.

What language is ostrasort written in?

Mainly C#. The stack also includes C#, .NET, Windows.

What license does ostrasort use?

Use freely for any purpose, including commercial use, as long as you keep the copyright notice.

How hard is ostrasort to set up?

Setup difficulty is rated easy, with roughly 5min to a first successful run.

Who is ostrasort for?

Mainly general.

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