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How to install "Exosphere 1"

Versatile pack on sky islands, full of ruins and quests!

Author

Leonniclass

Downloads

674.5K

Last Updated

Apr 6, 2026

Mod Loaders

Fabric Forge

Minecraft Versions

1.20.1
Exploration Combat / PvP Multiplayer Quests Tech

Quick Install ID

#bm-exosphere

Install Exosphere 1 in GDLauncher

Exosphere 1 runs on Fabric, Forge. 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 Exosphere 1 supports (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 #bm-exosphere, find Exosphere 1 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 Exosphere 1 supports (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 #bm-exosphere, find Exosphere 1 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 Exosphere 1 supports. As of the latest release, 1.20.1 are supported. Exosphere 1 supports multiple loaders (Fabric, Forge); 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 Exosphere 1 free?

Yes. Exosphere 1 is free to download and install through GDLauncher. GDLauncher itself is also free and ad-free.

What Minecraft versions does Exosphere 1 support?

Exosphere 1 supports Minecraft 1.20.1. GDLauncher will automatically pick a compatible version when you install it.

Does Exosphere 1 require Forge or Fabric?

Exosphere 1 supports Fabric, Forge. Pick the loader that matches your other mods, or let GDLauncher set up a fresh instance for you.

How do I install Exosphere 1?

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

Who made Exosphere 1?

Exosphere 1 is made by Leonniclass. The full project lives on CurseForge (https://www.curseforge.com/minecraft/modpacks/bm-exosphere).

Need help?

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

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