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shader pack

Alpha PisciumMinecraft shader pack for 26.3

High-quality realistic Minecraft shaderpack.

client onlynewest supported release 26.3RealisticHighReflectionsShadows
Latest version
1.10.0
Minecraft
1.20.5 to 26.3
Works with
Iris
Licence
GPL-3.0-only
Downloads
310.9k
Updated
1 mo 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
26.3Iris25+declared15 Sept 2026
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

Download

From Alpha Piscium’s own host. Nothing is re-hosted here.

Browse 35 indexed releases

Most recently published release

1.10.0release29 Sept 2026

Alpha Piscium v1.10.0.zip · 48.3 MB · for 26.3, 26.2, 26.1.2, 26.1.1, 26.1 +13 more · Iris

Download this release
5cdaeccf12b5…
Older versions24
  • 1.10.0-Beta29 Sept 202626.2, 26.1.2, 26.1.1, 26.1, 1.21.11 +12 more48.3 MBba8df5b4383c…Get
  • 1.10.0-Beta130 Aug 202626.2, 26.1.2, 26.1.1, 26.1, 1.21.11 +12 more48.3 MB03b5b7d97224…Get
  • 1.9.215 Aug 202626.2, 26.1.2, 26.1.1, 26.1, 1.21.11 +12 more48.2 MBcd9da2e56e35…Get
  • 1.9.2-Beta15 Aug 202626.2, 26.1.2, 26.1.1, 26.1, 1.21.11 +12 more48.2 MB0f33ec0246e2…Get
  • 1.9.128 Jun 202626.2, 26.1.2, 26.1.1, 26.1, 1.21.11 +12 more48.3 MB15ac57514dc5…Get
  • 1.9.1-Beta117 Jun 202626.2, 26.1.2, 26.1.1, 26.1, 1.21.11 +12 more48.3 MB66730a22d723…Get
  • 1.9.026 May 202626.2, 26.1.2, 26.1.1, 26.1, 1.21.11 +12 more48.8 MBe675012a6d94…Get
  • 1.9.0-Beta119 May 202626.2, 26.1.2, 26.1.1, 26.1, 1.21.11 +12 more48.8 MB54eafb107004…Get
  • 1.8.6-Hotfix12 May 202626.2, 26.1.2, 26.1.1, 26.1, 1.21.11 +12 more47.4 MBf5670952e86e…Get
  • 1.8.626 Apr 202626.2, 26.1.2, 26.1.1, 26.1, 1.21.11 +12 more47.4 MB571fa405a7b7…Get
  • 1.8.6-Beta121 Apr 202626.2, 26.1.2, 26.1.1, 26.1, 1.21.11 +12 more47.4 MBa8fd72009e69…Get
  • 1.8.56 Apr 202626.2, 26.1.2, 26.1.1, 26.1, 1.21.11 +12 more47.3 MBd33cf2501e51…Get
  • 1.8.5-Beta23 Apr 202626.2, 26.1.2, 26.1.1, 26.1, 1.21.11 +12 more47.3 MB2fa4deb8c023…Get
  • 1.8.5-Beta129 Mar 202626.2, 26.1.2, 26.1.1, 26.1, 1.21.11 +12 more47.4 MBe4f29ac7fe66…Get
  • 1.8.47 Mar 202626.2, 26.1.2, 26.1.1, 26.1, 1.21.11 +12 more47.4 MB90d9a9ae3319…Get
  • 1.8.38 Feb 202626.2, 26.1.2, 26.1.1, 26.1, 1.21.11 +12 more47.3 MBff20f75e196b…Get
  • 1.8.231 Jan 202626.2, 26.1.2, 26.1.1, 26.1, 1.21.11 +12 more47.3 MB27b8df9566f4…Get
  • 1.8.122 Jan 202626.2, 26.1.2, 26.1.1, 26.1, 1.21.11 +12 more45.5 MB7c9bccd00efc…Get
  • 1.8.011 Jan 202626.2, 26.1.2, 26.1.1, 26.1, 1.21.11 +12 more45.4 MBfa401bb79236…Get
  • 1.8.0-Beta48 Jan 202626.2, 26.1.2, 26.1.1, 26.1, 1.21.11 +12 more46.7 MB566d32c9c7fe…Get
  • 1.8.0-Beta34 Jan 202626.2, 26.1.2, 26.1.1, 26.1, 1.21.11 +12 more46.7 MB54625e125b88…Get
  • 1.8.0-Beta230 Dec 202526.2, 26.1.2, 26.1.1, 26.1, 1.21.11 +12 more45.3 MB8c2a4b00ac68…Get
  • 1.8.0-Beta128 Dec 202526.2, 26.1.2, 26.1.1, 26.1, 1.21.11 +12 more45.3 MB711423bb44ad…Get
  • 1.7.3-Hotfix121 Dec 202526.2, 26.1.2, 26.1.1, 26.1, 1.21.11 +12 more41.3 MBaf88c0cc2b23…Get

Frequently asked

Does Alpha Piscium work on Minecraft 26.3?

Yes. 26.3 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 26.3. 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 side. That is the author's declared design, not a guarantee for every server: one running anti-cheat or missing a counterpart mod can still object.

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?

You need a shader loader first: Iris (with Sodium) or OptiFine. Put the downloaded file in your shaderpacks folder and select it in the video settings shader screen. The shader loader, not the pack, decides which Minecraft versions work.

Where do I download Alpha Piscium safely?

Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. When available, recorded download links go to the source for that release; verify the publisher, filename and any available checksum before running it.

Works on the same versions

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

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Details from Modrinth, where the author last updated it on 29 Sept 2026. We do not host files or republish descriptions. Available download links point to the author’s own release.

Is this information wrong or missing something? .