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Born in ChaosMinecraft mod for 1.21.1

Adds a lot of aggressive mobs, with their unique properties that can diversify and complicate your survival. Also adds new structures, equipment, blocks and achievements.

newest supported release 1.21.1Adventure RpgWorld StructuresWorld GenWorld Mobs
Latest version
born_in_chaos_[Neoforge]_1.21.1_1.7.6.jar
Minecraft
1.16.5 to 1.21.1
Java
Java 21+
Loaders
NeoForge, Forge
Licence
not stated
Downloads
31.0M
Updated
2 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 Born in Chaos declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1NeoForge, Forge21+declared8 Aug 2024
1.20.1NeoForge, Forge17+declared12 Jun 2023
1.19.4NeoForge, Forge17+declared14 Mar 2023
1.19.2NeoForge, Forge17+declared5 Aug 2022
1.18.2NeoForge, Forge17+declared28 Feb 2022
1.16.5Forge, NeoForge8+declared14 Jan 2021

Download

From Born in Chaos’s own host. Nothing is re-hosted here.

Browse 40 indexed releases

Most recently published release

born_in_chaos_[Neoforge]_1.21.1_1.7.6.jarrelease17 Jun 2026

born_in_chaos_[Neoforge]_1.21.1_1.7.6.jar · 11.3 MB · for 1.21.1 · NeoForge

Download this release
73704f38ac36…
Older versions24
  • born_in_chaos_[Neoforge]_1.21.1_1.7.5.jar12 Apr 20261.21.111.3 MB1.4k downloads60d2ce7f9ce3…Get
  • born_in_chaos_[Forge]1.20.1_1.7.5.jar12 Apr 20261.20.111.3 MB4d616e1ccef4…Get
  • born_in_chaos_[Neoforge]_1.21.1_1.7.4.jar22 Dec 20251.21.111.3 MB1.6k downloadsd04a1c74bd1b…Get
  • born_in_chaos_[Forge]1.20.1_1.7.4.jar22 Dec 20251.20.111.3 MB11cfb515ee92…Get
  • born_in_chaos_[Neoforge]_1.21.1_1.7.3.jar25 Oct 20251.21.111.3 MB23.5k downloadsf8bd2d53a998…Get
  • born_in_chaos_[Forge]1.20.1_1.7.3.jar25 Oct 20251.20.111.3 MB2eb9ee651bdf…Get
  • born_in_chaos_[Neoforge]_1.21.1_1.7.2.jar31 Jul 20251.21.111.3 MB875 downloads9a6bb4697590…Get
  • born_in_chaos_[Forge]1.20.1_1.7.2.jar31 Jul 20251.20.111.3 MBa8bda4c4fc29…Get
  • born_in_chaos_[Forge]1.20.1_1.7_Chaotic-Spring28 Apr 20251.20.111.1 MB1.6M downloads4ebb189aca87…Get
  • born_in_chaos_[Forge]1.20.1_1.6.3.jar14 Feb 20251.20.110.9 MB1.8M downloadsc29f7b10fd1f…Get
  • born_in_chaos_[Forge]1.20.1_1.6.2_chilling-horror-event.jar4 Jan 20251.20.110.9 MB1.0M downloadsda26ef9e41a0…Get
  • born_in_chaos_[Forge]1.20.1_1.6_chilling-horror-event.jar29 Dec 20241.20.110.9 MB74.0k downloads8093b28ce265…Get
  • born_in_chaos_[Forge]1.20.1_1.5.2.jar12 Nov 20241.20.110.3 MB1.7M downloads3e1744b8ca4b…Get
  • born_in_chaos_[Forge]1.20.1_1.5_halloween_event.jar1 Nov 20241.20.110.3 MB77.3k downloads83e605ed3120…Get
  • born_in_chaos_[Forge]1.20.1_1.4.jar28 Oct 20241.20.110.1 MB133.4k downloadsb4b275df3043…Get
  • born_in_chaos_[Forge]1.20.1_1.3.1.jar24 May 20241.20.111.0 MB2.3M downloads2de8abf269f8…Get
  • born_in_chaos_[Forge]1.19.2_1.10.1.jar6 Feb 20241.19.29.8 MB1.5M downloadsa667893804c2…Get
  • born_in_chaos_[Forge]1.20.1_1.2.jar6 Feb 20241.20.19.8 MB815.0k downloads2113ab9ea286…Get
  • born_in_chaos_[Forge]1.19.4_1.10.jar6 Feb 20241.19.49.8 MB27.7k downloads650c35d1d218…Get
  • born_in_chaos_[Forge]1.20.1_1.1.jar27 Nov 20231.20.19.3 MB292.6k downloadseccd3f10ad5a…Get
  • born_in_chaos_[Forge]1.20.1_1.0.jar26 Nov 20231.20.19.3 MB24.4k downloads20140a381046…Get
  • born_in_chaos_[Forge]1.19.2_1.9.jar22 Nov 20231.19.29.3 MB1.1M downloadsca4f0d2a840d…Get
  • born_in_chaos_[Forge]1.18.2_1.17.jar22 Nov 20231.18.29.3 MB296.3k downloads0692676b84ae…Get
  • born_in_chaos_[Forge]1.19.2_1.8.jar2 Nov 20231.19.28.9 MB186.7k downloads67f16a2b49ab…Get

Frequently asked

Does Born in Chaos work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Born in Chaos 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 Born in Chaos 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 platform or loader does Born in Chaos support?

NeoForge, 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 Born in Chaos?

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 Born in Chaos?

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 Born in Chaos 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.

BookshelfAn open source library for other mods!GeckoLibA 3D animation library for entities, blocks, items, armor, and more!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.

Details from CurseForge, where the author last updated it on 1 Sept 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? .