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HB's Structures over TimeMinecraft mod for 1.21.1

Upgrades modded structures into other modded structures over the course of the game

client and servernewest supported release 1.21.1AdventureGame MechanicsDecorationWorldgen
Latest version
1.2.0
Minecraft
1.20.1 to 1.21.1
Java
Java 21+
Loaders
Fabric, NeoForge, Forge
Licence
MIT
Downloads
417
Updated
3 mo ago
Available on
Modrinth
Space NodeOur hosting

Host HB's Structures over Time servers

One click and HB's Structures over Time is installed with the right loader, on hardware built for it.

  • 1.21.1
  • Fabric
  • NeoForge
  • 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 HB's Structures over Time declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1Fabric, NeoForge, Forge21+declared8 Aug 2024
1.20.6NeoForge, Forge, Fabric21+declared29 Apr 2024
1.20.5Forge, Fabric, NeoForge21+declared23 Apr 2024
1.20.4Forge, Fabric, NeoForge17+declared7 Dec 2023
1.20.3NeoForge, Forge, Fabric17+declared4 Dec 2023
1.20.2Fabric, NeoForge, Forge17+declared20 Sept 2023
1.20.1Forge, NeoForge, Fabric17+declared12 Jun 2023

Download

From HB's Structures over Time’s own host. Nothing is re-hosted here.

Most recently published release

1.2.0release25 Aug 2026

hbs_structures-neoforge-1.21.1-1.2.0.jar · 0.2 MB · for 1.21.1 · NeoForge

Download this release
3546c7b01803…
Older versions2
  • 1.1.04 Jun 20261.20.10.2 MB221 downloads580d518c813c…Get
  • 1.0.02 Jun 20261.20.6, 1.20.5, 1.20.4, 1.20.3, 1.20.2 +1 more0.2 MB2 downloads7de17982f78a…Get

Dependencies

What HB's Structures over Timedeclares it needs, from the author’s own release metadata. A required one has to be installed alongside it or it will not load.

BalmRequired. Abstraction Layer for Multi-Loader ModsHB's FoundationRequired. HBs Foundation is an API for fundamental methods and utility methods related to all my Minecraft modded projects. Integrated with and dependent on Balm API. Not intended to add end user features to the game on its own.

Frequently asked

Does HB's Structures over Time work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version HB's Structures over Time 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 HB's Structures over Time 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.

Do I need to install HB's Structures over Time 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 HB's Structures over Time support?

Fabric, 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 HB's Structures over Time?

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.

What does HB's Structures over Time need to run?

It declares Balm and HB's Foundation as required, so those have to be installed alongside it or it will not load. Each one is linked in the dependencies section above.

What licence is HB's Structures over Time 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 HB's Structures over Time?

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 HB's Structures over Time 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. 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.

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.Jade 🔍Shows information about what you are looking at. (Hwyla/WAILA fork for Minecraft 1.16+)Collective🎓 Collective is a shared library with common code for all of Serilum's mods.

Details from Modrinth, where the author last updated it on 25 Aug 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? .