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StellarisMinecraft mod for 1.21.5

Discover the next gen space mod!

newest supported 1.21.5TechnologyWorld GenTechnology Player TransportTechnology Energy
Latest version
[Neoforge 1.21] Stellaris 1.4.25
Minecraft
1.20.6 to 1.21.5
Java
Java 21+
Loaders
NeoForge, Fabric
Licence
not stated
Downloads
1.4M
Updated
1 d ago
Available on
CurseForge

Screenshots

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

Minecraft versions

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

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.5NeoForge, Fabric21+declared25 Mar 2025
1.21.1NeoForge, Fabric21+declared8 Aug 2024
1.21NeoForge, Fabric21+declared13 Jun 2024
1.20.6NeoForge, Fabric21+declared29 Apr 2024

Download

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

All 40 releases
[Neoforge 1.21] Stellaris 1.4.25release9 Jul 2026

stellaris-1.21-neoforge-1.4.25.jar · 8.9 MB · for 1.21, 1.21.1

Download latest
d1d5801d054b…
Older versions24
  • [Fabric 1.21] Stellaris 1.4.259 Jul 20261.21, 1.21.18.8 MBd202be5b45e4…Get
  • [Neoforge 1.21] Stellaris 1.4.244 Jul 20261.21, 1.21.18.9 MB384 downloads97431ea0a90f…Get
  • [Fabric 1.21] Stellaris 1.4.244 Jul 20261.21, 1.21.18.8 MB0924bc271993…Get
  • [Neoforge 1.21] Stellaris 1.4.2327 May 20261.21, 1.21.18.9 MB41.6k downloads43aeb4a82628…Get
  • [Fabric 1.21] Stellaris 1.4.2327 May 20261.21, 1.21.18.8 MB34 downloads60ea0b490acb…Get
  • [Neoforge 1.21.5] Stellaris 1.3.2126 Apr 20261.21.58.4 MB5423e8489be1…Get
  • [Fabric 1.21.5] Stellaris 1.3.2126 Apr 20261.21.58.4 MB55c5b730082d…Get
  • [Neoforge 1.21] Stellaris 1.4.2219 Apr 20261.21, 1.21.18.9 MB799 downloadsc01e377917d8…Get
  • [Fabric 1.21] Stellaris 1.4.2219 Apr 20261.21, 1.21.18.8 MBf9eaa117380f…Get
  • [Neoforge 1.21] Stellaris 1.4.216 Mar 20261.21, 1.21.19.6 MB68.2k downloads10ffebf8d5ec…Get
  • [Fabric 1.21] Stellaris 1.4.216 Mar 20261.21, 1.21.19.6 MB69a4b111a6d4…Get
  • [Neoforge 1.21] Stellaris 1.4.2024 Jan 20261.21, 1.21.19.6 MB371 downloadsfae130a6ae46…Get
  • [Fabric 1.21] Stellaris 1.4.2024 Jan 20261.21, 1.21.19.6 MB79ef611e1843…Get
  • [Neoforge 1.21] Stellaris 1.4.199 Dec 20251.21, 1.21.19.6 MB491 downloadsc9b212663b61…Get
  • [Fabric 1.21] Stellaris 1.4.199 Dec 20251.21, 1.21.19.6 MBf76ae0b1b34b…Get
  • [Neoforge 1.21] Stellaris 1.4.186 Dec 20251.21, 1.21.116.3 MB472 downloadsd839845be63a…Get
  • [Fabric 1.21] Stellaris 1.4.186 Dec 20251.21, 1.21.116.3 MB0b5ecdef6f9e…Get
  • [Neoforge 1.21] Stellaris 1.4.176 Dec 20251.21, 1.21.116.3 MB82 downloadsd9ca739cea75…Get
  • [Fabric 1.21] Stellaris 1.4.176 Dec 20251.21, 1.21.116.3 MB19ade5eb8734…Get
  • [Neoforge 1.21] Stellaris 1.4.165 Dec 20251.21, 1.21.116.4 MB384 downloads2d2e183a3cfd…Get
  • [Fabric 1.21] Stellaris 1.4.165 Dec 20251.21, 1.21.116.3 MB8104d2ab70e9…Get
  • [Neoforge 1.21] Stellaris 1.4.1513 Nov 20251.21, 1.21.18.8 MB1.3k downloads34ae5ec5fc95…Get
  • [Fabric 1.21] Stellaris 1.4.1513 Nov 20251.21, 1.21.18.7 MBf0e073b6e147…Get
  • [Neoforge 1.21] Stellaris 1.4.146 Nov 20251.21, 1.21.18.8 MB310 downloads6a27f06ae860…Get

Frequently asked

Does Stellaris work on Minecraft 1.21.5?

Yes. 1.21.5 is the newest Minecraft version Stellaris 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 Stellaris support?

Everything the author has declared, from 1.20.6 up to 1.21.5. The full list is in the table above, with the Java runtime each version needs next to it.

Which platform or loader does Stellaris support?

NeoForge, Fabric. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for Stellaris?

On the newest Minecraft version it supports, Java 21 or newer. The requirement comes from the Minecraft version you run rather than from the mod itself, so on an older supported Minecraft the answer is that version's Java, not this one.

How do I install Stellaris?

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 Stellaris safely?

Start with the author's page on CurseForge, which is where the data here is synced from. MCReference does not host or repackage files. The download link goes to the source recorded for that release; verify the publisher, filename and 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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Last checked 1 d 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? .