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ArachnidsMinecraft mod for 1.21.1

Arachnids is a mod based on the first Starship Troopers movie and 2005 game about an alien race of bugs.

client and servernewest supported 1.21.1Mobs
Latest version
0.3.0
Minecraft
1.19.1 to 1.21.1
Java
Java 21+
Loaders
Fabric, NeoForge, Quilt, Forge
Licence
MIT
Downloads
38.9k
Updated
5 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Arachnids servers

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

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

Screenshots

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

Minecraft versions

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

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1Fabric, NeoForge, Quilt, Forge21+declared8 Aug 2024
1.20.1NeoForge, Quilt, Forge, Fabric17+declared12 Jun 2023
1.20Forge, Quilt, Fabric, NeoForge17+declared2 Jun 2023
1.19.4NeoForge, Fabric, Forge, Quilt17+declared14 Mar 2023
1.19.3Fabric, Quilt, NeoForge, Forge17+declared7 Dec 2022
1.19.2Forge, Quilt, NeoForge, Fabric17+declared5 Aug 2022
1.19.1Forge, Quilt, NeoForge, Fabric17+declared27 Jul 2022

Download

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

0.3.0release8 May 2026

arachnids-fabric-1.21.1-0.3.0.jar · 0.9 MB · for 1.21.1

Download latest
d4cfdaa14209…
Older versions20
  • 0.2.04 May 20261.21.10.8 MB5952c266d932…Get
  • 0.1.13 May 20261.21.10.8 MB5d127880254f…Get
  • 0.1.02 May 20261.21.10.8 MB640bdcd20305…Get
  • 0.0.3331 Oct 20231.20.10.9 MB25c52c3a8b4e…Get
  • 0.0.3223 Oct 20231.20.10.9 MBb624970ca9a8…Get
  • 0.0.317 Oct 20231.20.10.9 MB55af92ef69c5…Get
  • 0.0.30b3 Oct 20231.20.11.5 MB4abee02b30f4…Get
  • 0.0.304 Sept 20231.20.11.5 MB333a132c4e04…Get
  • 0.0.2924 Aug 20231.20.10.9 MB2b0f0cdda66c…Get
  • 0.0.2825 Jun 20231.20.10.9 MB55e6741b87a8…Get
  • 0.0.2712 Jun 20231.20.10.9 MB21ca2e04c0ce…Get
  • 0.0.269 Jun 20231.200.9 MB4efecd260174…Get
  • 0.0.25HF14 May 20231.19.40.9 MB4450ff12b361…Get
  • 0.0.2514 May 20231.19.46.4 MB71d41327dcc7…Get
  • 0.0.2420 Apr 20231.19.41.0 MB6b57f7d961db…Get
  • 0.0.233 Apr 20231.19.41.0 MB873a0ef79461…Get
  • 0.0.226 Mar 20231.19.4, 1.19.31.0 MB8f1a0834fbd4…Get
  • 0.0.216 Mar 20231.19.31.0 MBba229db2d8d5…Get
  • 0.0.204 Feb 20231.19.31.0 MBe87507be21e8…Get
  • 0.0.191 Feb 20231.19.31.0 MBaff76989b1f4…Get

Frequently asked

Does Arachnids work on Minecraft 1.21.1?

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

Everything the author has declared, from 1.19.1 up to 1.21.1. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Arachnids on the client or the server?

Both. Every player needs it installed and so does the server, so anyone joining without it will be refused.

Which platform or loader does Arachnids support?

Fabric, NeoForge, Quilt, Forge. 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 Arachnids?

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.

What licence is Arachnids under?

MIT, 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 Arachnids?

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 Arachnids 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. 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.

GeckoLibA 3D animation library for entities, blocks, items, armor, and more!BookshelfAn open source library for other mods!Cloth Config API (Fabric/Forge/NeoForge)Config Screen API for MinecraftJourneyMapReal-time map used for mapping in-game or your browser as you explore.Architectury APIAn intermediary api aimed to ease developing multiplatform mods.Enchantment DescriptionsAdds in-game descriptions for enchantments to tooltips.

Last checked 2 mo ago against Modrinth. 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? .