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mod

SaturnMinecraft mod for 1.21.1

A performance mod designed to optimize Minecraft's memory usage.

newest supported 1.21.1Server UtilityMc Miscellaneous
Latest version
Saturn 0.1.5 for MC 1.21.1
Minecraft
1.16.5 to 1.21.1
Java
Java 21+
Loaders
NeoForge, Forge
Licence
not stated
Downloads
53.0M
Updated
19 mo ago
Available on
CurseForge
Space NodePartner

Host Saturn servers

One click and Saturn is installed with the right loader, on hardware built for it.

  • 1.21.1
  • NeoForge
  • Forge
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

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

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1NeoForge, Forge21+declared8 Aug 2024
1.20.6NeoForge, Forge21+declared29 Apr 2024
1.20.4NeoForge, Forge17+declared7 Dec 2023
1.20.2Forge, NeoForge17+declared20 Sept 2023
1.20.1NeoForge, Forge17+declared12 Jun 2023
1.19.4NeoForge, Forge17+declared14 Mar 2023
1.19.3NeoForge, Forge17+declared7 Dec 2022
1.19.2Forge, NeoForge17+declared5 Aug 2022
1.18.2Forge, NeoForge17+declared28 Feb 2022
1.16.5NeoForge, Forge8+declared14 Jan 2021

Download

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

All 39 releases
Saturn 0.1.5 for MC 1.21.1release30 Jan 2025

saturn-mc1.21.1-0.1.5.jar · 0.1 MB · for 1.21.1

Download latest
e5b9c7e6a785…
Older versions24
  • Saturn 0.1.3 for MC 1.20.621 May 20241.20.60.1 MB10.0k downloads2c31d7c1defc…Get
  • Saturn 0.1.4 for MC 1.19.26 Mar 20241.19.20.1 MB3.3M downloads053ff233cf7a…Get
  • Saturn 0.1.5 for MC 1.18.26 Mar 20241.18.20.1 MB2.6M downloads819bcc189f80…Get
  • Saturn 0.1.3 for MC 1.20.49 Feb 20241.20.40.1 MB16.0k downloadsf03fbb4db189…Get
  • Saturn 0.1.3 for MC 1.20.19 Feb 20241.20.10.1 MB7.0M downloadsad93f99d4671…Get
  • Saturn 0.1.3 for MC 1.19.29 Feb 20241.19.20.1 MB107.9k downloadsb29ca863c9e8…Get
  • Saturn 0.1.4 for MC 1.18.29 Feb 20241.18.20.1 MB34.4k downloads6c6845428be7…Get
  • Saturn 0.1.2 for MC 1.20.19 Jan 20241.20.10.1 MB218.6k downloads819e598edcf8…Get
  • Saturn 0.1.2 for MC 1.19.29 Jan 20241.19.20.1 MB124.3k downloadsaf6d16b0a649…Get
  • Saturn 0.1.3 for MC 1.18.29 Jan 20241.18.20.1 MB2.0M downloads20134777adf9…Get
  • Saturn 0.1.1 for MC 1.20.123 Dec 20231.20.10.1 MB166.3k downloads9ad0dbc95ca6…Get
  • Saturn 0.1.1 for MC 1.19.223 Dec 20231.19.20.1 MB271.6k downloads8ef1ad6b84e0…Get
  • Saturn 0.1.2 for MC 1.18.223 Dec 20231.18.20.1 MB55.8k downloads2ee514cb6680…Get
  • Saturn 0.1.0 for MC 1.20.114 Dec 20231.20.10.1 MB30.8k downloadsab8b6ed2fabe…Get
  • Saturn 0.1.0 for MC 1.19.214 Dec 20231.19.20.1 MB55.1k downloads90b73a2aadb7…Get
  • Saturn 0.1.1 for MC 1.18.214 Dec 20231.18.20.1 MB7.0k downloads738413458dcd…Get
  • Saturn 0.0.10 for MC 1.20.110 Dec 20231.20.10.0 MB10.9k downloadseaa2c7a1041b…Get
  • Saturn 0.0.10 for MC 1.19.210 Dec 20231.19.20.0 MB488.7k downloadsb8622e54445b…Get
  • Saturn 0.1.0 for MC 1.18.210 Dec 20231.18.20.0 MB3.1k downloads1f6889ff3da0…Get
  • Saturn 0.0.9 for MC 1.20.19 Dec 20231.20.10.0 MB337 downloads76e2768bef7a…Get
  • Saturn 0.0.9 for MC 1.19.29 Dec 20231.19.20.0 MB118 downloadsa09a03e6bf68…Get
  • Saturn 0.0.10 for MC 1.18.29 Dec 20231.18.20.0 MB119 downloads2d0847e43b6a…Get
  • Saturn 0.0.9 for MC 1.18.29 Dec 20231.18.20.0 MB1.1k downloads2eb03603cf6e…Get
  • Saturn 0.0.8 for MC 1.20.19 Dec 20231.20.10.0 MB229.0k downloads9d9feb1970da…Get

Frequently asked

Does Saturn work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Saturn 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 Saturn support?

Everything the author has declared, from 1.16.5 up to 1.21.1. The full list is in the table above, with the Java runtime each version needs next to it.

Which loader does Saturn need?

NeoForge, Forge. 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 Saturn?

Java 21 or newer, because that is what the newest Minecraft release it supports requires. The requirement comes from the game rather than from the mod itself.

How do I install Saturn?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod 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 Saturn safely?

From the author's own page on CurseForge, 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 recent Minecraft version coverage overlaps, not by popularity.

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

Is this information wrong or missing something? .