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Copper Age BackportMinecraft mod for 1.21.1

A Minecraft mod that brings the complete Copper Age experience to older Minecraft versions.

newest supported release 1.21.1StorageMc AddonsWorld Mobs
Latest version
copperagebackport-forge-1.20.1-0.1.5.1-pre.jar
Minecraft
1.20.1 to 1.21.1
Java
Java 21+
Loaders
Forge, Fabric, NeoForge
Licence
not stated
Downloads
1.8M
Updated
1 mo 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 Copper Age Backport declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1Forge, Fabric, NeoForge21+declared8 Aug 2024
1.20.1Forge, Fabric, NeoForge17+declared12 Jun 2023

Download

From Copper Age Backport’s own host. Nothing is re-hosted here.

Browse 47 indexed releases

For Minecraft 1.21.1

Choose the loader you use before downloading.

  • NeoForge

    copperagebackport-neoforge-1.21.1-0.1.5.1-pre.jar · 3 Oct 2026 · copperagebackport-neoforge-1.21.1-0.1.5.1-pre.jar

    Get NeoForge

  • Fabric

    copperagebackport-fabric-1.21.1-0.1.5.1-pre.jar · 3 Oct 2026 · copperagebackport-fabric-1.21.1-0.1.5.1-pre.jar

    Get Fabric

Most recently published release

copperagebackport-forge-1.20.1-0.1.5.1-pre.jarbeta3 Oct 2026

copperagebackport-forge-1.20.1-0.1.5.1-pre.jar · 2.7 MB · for 1.20.1 · Forge

Download this release
42b59bbbbaf0…
Older versions24
  • copperagebackport-fabric-1.20.1-0.1.5.1-pre.jar3 Oct 20261.20.12.7 MBed28e9eaa53d…Get
  • copperagebackport-neoforge-1.21.1-0.1.5.1-pre.jar3 Oct 20261.21.12.4 MBeabd4b4eaefe…Get
  • copperagebackport-fabric-1.21.1-0.1.5.1-pre.jar3 Oct 20261.21.12.4 MBf89124f38aa8…Get
  • copperagebackport-forge-1.20.1-0.1.5.jar27 Sept 20261.20.12.7 MB8f8806bca51e…Get
  • copperagebackport-fabric-1.20.1-0.1.5.jar27 Sept 20261.20.12.7 MB4870936c373d…Get
  • copperagebackport-neoforge-1.21.1-0.1.5.jar27 Sept 20261.21.12.4 MB31528d61a387…Get
  • copperagebackport-fabric-1.21.1-0.1.5.jar27 Sept 20261.21.12.4 MBb5ac02859bff…Get
  • copperagebackport-forge-1.20.1-0.1.4.jar1 Dec 20251.20.12.7 MB458 downloads52d698d2b3d7…Get
  • copperagebackport-fabric-1.20.1-0.1.4.jar1 Dec 20251.20.12.7 MBc956cecc8fac…Get
  • copperagebackport-neoforge-1.21.1-0.1.4.jar1 Dec 20251.21.12.4 MB9892ad37739b…Get
  • copperagebackport-fabric-1.21.1-0.1.4.jar1 Dec 20251.21.12.4 MB17777733974b…Get
  • copperagebackport-neoforge-1.21.1-0.1.3.jar30 Nov 20251.21.12.3 MB317 downloads65ad539955cd…Get
  • copperagebackport-fabric-1.21.1-0.1.3.jar30 Nov 20251.21.12.4 MB8c9c2bba3436…Get
  • copperagebackport-forge-1.20.1-0.1.3.jar30 Nov 20251.20.12.4 MB72ea052367ca…Get
  • copperagebackport-fabric-1.20.1-0.1.3.jar30 Nov 20251.20.12.4 MBd03acf4f66e1…Get
  • copperagebackport-neoforge-1.21.1-0.1.2.jar29 Nov 20251.21.11.7 MB363 downloads9df9909ba341…Get
  • copperagebackport-fabric-1.21.1-0.1.2.jar29 Nov 20251.21.11.7 MBf52c9f8e82ba…Get
  • copperagebackport-forge-1.20.1-0.1.2.jar29 Nov 20251.20.11.7 MB38d85a998ca0…Get
  • copperagebackport-fabric-1.20.1-0.1.2.jar29 Nov 20251.20.11.7 MB2f2b3c3a4a6d…Get
  • copperagebackport-neoforge-1.21.1-0.1.1.jar26 Nov 20251.21.11.6 MB249 downloads2f42cfbea460…Get
  • copperagebackport-fabric-1.21.1-0.1.1.jar26 Nov 20251.21.11.7 MB1 download5173da3abafe…Get
  • copperagebackport-forge-1.20.1-0.1.1.jar26 Nov 20251.20.11.7 MB1 downloadbeb1c1cd0c9c…Get
  • copperagebackport-fabric-1.20.1-0.1.1.jar26 Nov 20251.20.11.7 MB1 downloadd8d9821425b8…Get
  • copperagebackport-neoforge-1.21.1-0.1.0.jar25 Nov 20251.21.11.5 MB309 downloads858c677c0676…Get

Frequently asked

Does Copper Age Backport work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Copper Age Backport 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 Copper Age Backport support?

Everything the author has declared, from 1.20.1 up to 1.21.1. The full list is in the table above, with the Java runtime each version needs next to it.

Which platform or loader does Copper Age Backport support?

Forge, Fabric, 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 Copper Age Backport?

Among the supported Minecraft releases above, the highest recorded requirement is Java 21 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

How do I install Copper Age Backport?

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 Copper Age Backport 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. 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 CurseForge, where the author last updated it on 3 Oct 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? .