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How to install "Elysium API"

Elysium is a library mod with various utilities, built-in features and new data driven systems for both Mod-Developers and Modpack-Creators to utilize

Author

ThatJadenXgamer

Downloads

2.1M

Last Updated

Apr 25, 2026

License

GPL-2.0-only

Mod Loaders

Forge NeoForge

Minecraft Versions

1.21.1 1.20.1
library utility worldgen

Quick Install ID

#elysium-api

Install Elysium API in GDLauncher

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

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 Elysium API supports (1.21.1, 1.20.1 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #elysium-api, find Elysium API 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 Elysium API supports (1.21.1, 1.20.1 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #elysium-api, find Elysium API 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 Elysium API supports. As of the latest release, 1.21.1, 1.20.1 are supported. Elysium API supports multiple loaders (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 Elysium API free?

Yes. Elysium API is free to download and install through GDLauncher. GDLauncher itself is also free and ad-free.

What Minecraft versions does Elysium API support?

Elysium API supports Minecraft 1.21.1, 1.20.1. GDLauncher will automatically pick a compatible version when you install it.

Does Elysium API require Forge or Fabric?

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

How do I install Elysium API?

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

Who made Elysium API?

Elysium API is made by ThatJadenXgamer. The full project lives on Modrinth (https://modrinth.com/mod/elysium-api).

Need help?

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

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