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Circinus Mod Manager

Free#22 of 79 in Game Mod Managers

Circinus Mod Manager: A free desktop manager for sorting RimWorld mods and checking conflicts before launch. Ranked #22 of 79 in Game Mod Managers by our editors (6.3/10); pricing: Free plan; best for rimWorld users needing offline diagnostics.

6.3/10Editor score
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Circinus Mod Manager6.3 Visit Circinus

At a glance

  • Editor score
    6.3 / 10
  • Pricing
    Free plan
  • Best for
    RimWorld users needing offline diagnostics
  • Free plan
    Yes
  • Paid from
    Free
  • Facts checked
    23 Sep 2026
Circinus Mod Manager screenshot

  • Where it wins

    • HALO sorting explains load-order decisions and supports customizable rules.
    • Checks dependencies, incompatibilities, duplicates, and texture collisions before launch.
    • Imports mod lists from saves, Steam collections, and several other formats.

  • Where it doesn't

    • Focused on RimWorld rather than a range of games.
    • SteamCMD Workshop downloads require a SteamCMD queue workflow.
    • Separate profile saving and file deployment behavior are unspecified.

Our verdict on Circinus Mod Manager

Circinus Mod Manager is a free desktop application for organizing RimWorld mods on Windows, macOS, and Linux. Its focus is load-order management and pre-launch diagnostics, making it a fit for solo players and small setups that want to understand ordering decisions and catch conflicts before starting the game. HALO sorting includes explanations and customizable rules, while the manager can also work from local files without community databases.

The checks extend beyond load order: Circinus looks for missing dependencies, incompatibilities, duplicates, and texture collisions, and can detect shared textures, definitions, and method hooks. It also imports lists from ModsConfig.xml files, save files, Steam collections, RimSort exports, rentry pages, and clipboard text. For Workshop access, it queues background downloads through SteamCMD, with retries and resume. That combination suits players with varied mod-list sources and those who want diagnostics available offline; the import and download options do not change its narrow RimWorld focus.

According to the product description, Circinus is free, with no paid tiers described. Large lists can benefit from cached mod details, and self-updates verify signed update files before installation. Support is offered through email and documentation. This is a practical choice for RimWorld users who value explainable sorting, local operation, and conflict checks. Players looking for a general-purpose manager across multiple games, or who need clearly described profile-saving and file-deployment behavior, should consider whether its focused feature set matches their workflow before choosing it.

Your product? Our editors can test Circinus Mod Manager in depth and publish a review, labelled as paid · from $149/mo →

Circinus Mod Manager pricing

Plans Free planFree Free to use — no paid tier required for the core job.
See plans on circinus.sh

Circinus Mod Manager fact sheet

Free planYes
Paid fromFree
Mod profilesNot verified
Conflict detectionYes
Automatic updatesNot verified
Mod source accessExternal links
Supported platformsMulti-platform
Deployment methodNot verified
DeploymentDesktop
PlatformsWindows, macOS, Linux
SupportEmail, Docs
Built forSolo, Small business (editorial estimate)
Integrations3 integrations: Steam Workshop, SteamCMD, RimSort
PricingFree plan
Websitecircinus.sh
Facts checked23 Sep 2026

Circinus Mod Manager integrations

Circinus Mod Manager lists 3 integrations on its own site.

  • Steam Workshop
  • SteamCMD
  • RimSort

Alternatives to Circinus Mod Manager

See all Circinus Mod Manager alternatives →

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Featured on iTechGuides

Featured on iTechGuides — Circinus Mod Manager 6.3/10

Circinus Mod Manager is listed in our Game Mod Managers directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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