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How to install "Supplementaries Squared"

The extra content of Supplementaries that doesn't necessarily fit in the base mod!

Author

plantspookable, MehVahdJukaar

Downloads

28.5M

Last Updated

Jan 10, 2026

Mod Loaders

Fabric Forge NeoForge

Minecraft Versions

1.21.1 1.20.1 1.19.2
Cosmetic Addons

Quick Install ID

#supplementaries-squared

Install Supplementaries Squared in GDLauncher

Supplementaries Squared runs on Fabric, Forge, NeoForge. Pick whichever your existing instance uses, or create a new one. GDLauncher installs the correct loader automatically.

Install on Fabric

  1. Open GDLauncher and create a new instance (the + button on the Library page).
  2. Pick the Fabric loader and a Minecraft version that Supplementaries Squared supports (1.21.1, 1.20.1, 1.19.2 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #supplementaries-squared, find Supplementaries Squared in the results, and hit Download. GDLauncher pulls dependencies automatically.
  5. Hit Play. That's it.

Install on Forge

  1. Open GDLauncher and create a new instance (the + button on the Library page).
  2. Pick the Forge loader and a Minecraft version that Supplementaries Squared supports (1.21.1, 1.20.1, 1.19.2 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #supplementaries-squared, find Supplementaries Squared in the results, and hit Download. GDLauncher pulls dependencies automatically.
  5. Hit Play. That's it.

Install on NeoForge

  1. Open GDLauncher and create a new instance (the + button on the Library page).
  2. Pick the NeoForge loader and a Minecraft version that Supplementaries Squared supports (1.21.1, 1.20.1, 1.19.2 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #supplementaries-squared, find Supplementaries Squared in the results, and hit Download. GDLauncher pulls dependencies automatically.
  5. Hit Play. That's it.

Before you install

Make sure your Minecraft version matches what Supplementaries Squared supports. As of the latest release, 1.21.1, 1.20.1, 1.19.2 are supported. Supplementaries Squared supports multiple loaders (Fabric, Forge, NeoForge); pick whichever matches your other mods. GDLauncher checks compatibility for you and won't install something incompatible with the instance you've chosen.

Frequently Asked Questions

Is Supplementaries Squared free?

Yes. Supplementaries Squared is free to download and install through GDLauncher. GDLauncher itself is also free and ad-free.

What Minecraft versions does Supplementaries Squared support?

Supplementaries Squared supports Minecraft 1.21.1, 1.20.1, 1.19.2. GDLauncher will automatically pick a compatible version when you install it.

Does Supplementaries Squared require Forge or Fabric?

Supplementaries Squared supports Fabric, Forge, NeoForge. Pick the loader that matches your other mods, or let GDLauncher set up a fresh instance for you.

How do I install Supplementaries Squared?

Open GDLauncher, go to your instance's Addons tab, click Add Addons, and paste the Quick Install ID #supplementaries-squared. GDLauncher handles dependencies and the right Minecraft version automatically.

Who made Supplementaries Squared?

Supplementaries Squared is made by plantspookable, MehVahdJukaar. The full project lives on CurseForge (https://www.curseforge.com/minecraft/mc-mods/supplementaries-squared).

Project links

Need help?

Read our troubleshooting guide, check the guides section, or join the GDLauncher Discord community.

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