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shader pack

Alpha Piscium

High-quality realistic Minecraft shaderpack.

client onlynewest supported 26.2RealisticHighReflectionsShadows
Latest version
1.9.1
Minecraft
1.20.5 to 26.2
Java
Java 25+
Loader
Iris
Licence
GPL-3.0-only
Downloads
206.1k
Updated
30 d ago
Available on
Modrinth

Screenshots

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

Minecraft versions

Every version Alpha Piscium declares support for, newest first, with the Java runtime that version needs.

Other shader packs
MinecraftThroughJavaEvidenceReleased
26.2Iris25+declared16 Jun 2026
26.1.2Iris25+declared9 Apr 2026
26.1.1Iris25+declared1 Apr 2026
26.1Iris25+declared24 Mar 2026
1.21.11Iris21+declared9 Dec 2025
1.21.10Iris21+declared7 Oct 2025
1.21.9Iris21+declared30 Sept 2025
1.21.8Iris21+declared17 Jul 2025
1.21.7Iris21+declared30 Jun 2025
1.21.6Iris21+declared17 Jun 2025
1.21.5Iris21+declared25 Mar 2025
1.21.4Iris21+declared3 Dec 2024
1.21.3Iris21+declared23 Oct 2024
1.21.2Iris21+declared22 Oct 2024
1.21.1Iris21+declared8 Aug 2024
1.20.6Iris21+declared29 Apr 2024
1.20.5Iris21+declared23 Apr 2024

Releases

Files come from the author's own host. We publish the checksum so you can prove the file you downloaded is the file they published.

Frequently asked

Does Alpha Piscium work on Minecraft 26.2?

Yes. 26.2 is the newest Minecraft version Alpha Piscium declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does Alpha Piscium support?

Everything the author has declared, from 1.20.5 up to 26.2. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Alpha Piscium on the client or the server?

The client only. There is nothing to install on the server, so it works on any server you can already join.

Which loader does Alpha Piscium need?

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

Which Java version do I need for Alpha Piscium?

Java 25 or newer, because that is what the newest Minecraft release it supports requires. The requirement comes from the game rather than from the shader pack itself.

What licence is Alpha Piscium under?

GPL-3.0-only, 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 Alpha Piscium?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the shader pack 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 Alpha Piscium safely?

From the author's own page on Modrinth, which is where the data here is synced from. MCReference never mirrors, re-hosts or repackages a file: every download button points at the original source, so you get exactly what the author published.

Works on the same versions

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

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Last checked 1 d ago against Modrinth. We do not host files and we do not republish descriptions; every download link points at the author’s own release.