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Self-SustainableMinecraft mod for 1.21.1

Real survival, scarcity, very rewarding. Are you ready?

client and servernewest supported release 1.21.1Game MechanicsStorageWorldgen
Latest version
0.7
Minecraft
1.21.1
Loader
Fabric
Licence
CC-BY-4.0
Downloads
113.4k
Updated
2 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Self-Sustainable servers

One click and Self-Sustainable is installed with the right loader, on hardware built for it.

  • 1.21.1
  • Fabric
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Screenshots

Click a screenshot to open it. Screenshots are served from the author’s own host and belong to them.

Minecraft versions

Every version Self-Sustainable declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1Fabric21+declared8 Aug 2024

Download

From Self-Sustainable’s own host. Nothing is re-hosted here.

Most recently published release

0.7alpha11 Sept 2026

self-sustainable-0.7-1.21.1.jar · 0.6 MB · for 1.21.1 · Fabric

Download this release
381993e91a5f…
Older versions13
  • 0.64 Aug 20261.21.10.6 MB4190a0f0065f…Get
  • 0.5.311 May 20261.21.10.6 MB3.5k downloads8abc098ee93f…Get
  • 0.5.214 Mar 20261.21.10.6 MB23.5k downloads43c02caec8c6…Get
  • 0.5.112 Mar 20261.21.10.6 MB49 downloads517c8f575111…Get
  • 0.58 Mar 20261.21.10.6 MB48 downloadsc61f9e29ff1b…Get
  • 0.44 Feb 20261.21.10.5 MB1.9k downloadsaba719ab1738…Get
  • 0.3.119 Jan 20261.21.10.5 MB19.3k downloads8492b992e7a3…Get
  • 0.329 Nov 20251.21.10.5 MB6.9k downloads31a6cc76f8a5…Get
  • 0.2.121 Sept 20251.21.10.5 MB12.0k downloadsa87bb559f6e8…Get
  • 0.223 Jul 20251.21.10.5 MB33.6k downloads8ba839242c5b…Get
  • 0.1.28 Jun 20251.21.10.5 MB244 downloads867f8699e071…Get
  • 0.1.15 Jun 20251.21.10.5 MB77 downloads8cae276b6d59…Get
  • 0.131 May 20251.21.10.5 MB92 downloadsa709e3126320…Get

Dependencies

What Self-Sustainabledeclares it needs, from the author’s own release metadata. A required one has to be installed alongside it or it will not load.

Frequently asked

Does Self-Sustainable work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Self-Sustainable declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Do I need to install Self-Sustainable on the client or the server?

Both. Every player needs it installed and so does the server, so anyone joining without it will be refused.

Which platform or loader does Self-Sustainable support?

Fabric. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for Self-Sustainable?

Among the supported Minecraft releases above, the highest recorded requirement is Java 21 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

What does Self-Sustainable need to run?

It declares Fabric API and BTWR: Shared Library as required, so those have to be installed alongside it or it will not load. Each one is linked in the dependencies section above.

What licence is Self-Sustainable under?

CC-BY-4.0, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install Self-Sustainable?

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

Where do I download Self-Sustainable safely?

Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. When available, recorded download links go to the source for that release; verify the publisher, filename and any available checksum before running it.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

Details from Modrinth, where the author last updated it on 11 Sept 2026. We do not host files or republish descriptions. Available download links point to the author’s own release.

Is this information wrong or missing something? .