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How to install "Alpha Piscium"

High-quality realistic Minecraft shaderpack.

Author

Luna5ama

Downloads

121.2K

Last Updated

May 2, 2026

License

GPL-3.0-only

Minecraft Versions

1.21.11 1.20.6
atmosphere bloom colored-lighting high iris path-tracing pbr realistic reflections screenshot shadows

Quick Install ID

#alpha-piscium

Install Alpha Piscium in GDLauncher

  1. Open GDLauncher and pick (or create) the instance you want to add Alpha Piscium to.
  2. Open the Addons tab and click Add Addons.
  3. Paste the Quick Install ID #alpha-piscium, select Alpha Piscium, and click Download. GDLauncher handles dependencies and version matching automatically.
  4. Hit Play and you're done.

Before you install

Make sure your Minecraft version matches what Alpha Piscium supports. As of the latest release, 1.21.11, 1.20.6 are supported. GDLauncher checks compatibility for you and won't install something incompatible with the instance you've chosen.

Frequently Asked Questions

Is Alpha Piscium free?

Yes. Alpha Piscium is free to download and install through GDLauncher. GDLauncher itself is also free and ad-free.

What Minecraft versions does Alpha Piscium support?

Alpha Piscium supports Minecraft 1.21.11, 1.20.6. GDLauncher will automatically pick a compatible version when you install it.

Does Alpha Piscium require Forge or Fabric?

Check the Modrinth page for Alpha Piscium to see which mod loader it supports. GDLauncher will install the correct loader automatically once you pick the addon.

How do I install Alpha Piscium?

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

Who made Alpha Piscium?

Alpha Piscium is made by Luna5ama. The full project lives on Modrinth (https://modrinth.com/shader/alpha-piscium).

Need help?

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

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