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S1API Forked

by ifBars

S1API is an open source collaboration project to help standardize Schedule One modding processes.The goal is to provide a standard place for common functionalities so you can focus on making content versus reverse engineering the game.

LibrariesIL2CPPMono
Latest version
3.0.6
Downloads
82.5k
Depended on by
30 projects
Rating
9
Filed under
Libraries, IL2CPP
Updated
2 mo ago
Available on
Thunderstore

Download

From S1API Forked’s own host. Nothing is re-hosted here.

3.0.6release6 Jul 2026

ifBars-S1API_Forked-3.0.6.zip · 0.7 MB

Download latest
Older versions4
  • 3.0.512 Jun 20260.7 MBGet
  • 3.0.425 May 20260.7 MBGet
  • 3.0.310 Apr 20260.7 MBGet
  • 3.0.229 Apr 20260.7 MBGet

Frequently asked

How do I install S1API Forked?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Schedule I all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download S1API Forked safely?

From the author's own page on Thunderstore, which is where the data here is synced from. IndexGG never mirrors, re-hosts or repackages a file: every download button points at the original source, so you get exactly what the author published.

Which Schedule I versions does S1API Forked work on?

The author has not declared a supported version in the metadata we sync, so there is nothing here we can state as fact. Check the project's own page before installing it, and treat an old mod with no declared version as untested on modern Schedule I.

Dependencies

From release 3.0.6, the newest one. An older release may need different things.

Needs 1

Install these first or it will not load.

  • LavaGang-MelonLoader(not indexed yet)

Needed by 30

Removing this breaks every one of them.

Last checked 2 mo ago against Thunderstore. We do not host files and we do not republish descriptions; every download link points at the author’s own release.