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Simulated: AlcubierreMinecraft mod for 1.21.1

Simulated: Alcubierre is a NeoForge addon for Create Simulated that adds a simple system of antigravity.

client and servernewest supported 1.21.1TechnologyTransportation
Latest version
1.2.6
Minecraft
1.21.1
Java
Java 21+
Loader
NeoForge
Licence
MIT
Downloads
3.2k
Updated
4 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Simulated: Alcubierre servers

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

  • 1.21.1
  • NeoForge
  • 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 Simulated: Alcubierre declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1NeoForge21+declared8 Aug 2024

Download

From Simulated: Alcubierre’s own host. Nothing is re-hosted here.

1.2.6release23 Jun 2026

alcubierre-1.2.6.jar · 0.3 MB · for 1.21.1

Download latest
5a05d0e824bb…
Older versions6
  • 1.2.521 Jun 20261.21.10.4 MB136 downloads29ef50f9eafa…Get
  • 1.2.216 Jun 20261.21.10.3 MB216 downloadsd9dab62f04e6…Get
  • 1.2.114 Jun 20261.21.10.3 MB174 downloads42e9343a6e83…Get
  • 1.2.014 Jun 20261.21.10.3 MB40 downloadsc07ec8b74eb1…Get
  • 1.1.112 Jun 20261.21.10.2 MB149 downloads406d4f8a1e04…Get
  • 1.0.017 May 20261.21.10.2 MB595 downloadsfb1ed07ffcf0…Get

Frequently asked

Does Simulated: Alcubierre work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Simulated: Alcubierre declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Do I need to install Simulated: Alcubierre 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 Simulated: Alcubierre support?

NeoForge. 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 Simulated: Alcubierre?

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 Simulated: Alcubierre 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 Simulated: Alcubierre?

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 Simulated: Alcubierre 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.

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Details from Modrinth, where the author last updated it on 23 Jun 2026. 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? .