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Ad Astra: More StructuresMinecraft mod for 1.21.1

Add lots of structures, dungeons and bosses in the Ad Astra planets

newest supported release 1.21.1Adventure RpgWorld StructuresWorld GenMc Addons
Latest version
Ad Astra : More Structures - 1.21.1-neoforge
Minecraft
1.18.2 to 1.21.1
Java
Java 21+
Loaders
NeoForge, Forge, Fabric
Licence
not stated
Downloads
2.0M
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 Ad Astra: More Structures declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1NeoForge, Forge, Fabric21+declared8 Aug 2024
1.20.4Forge, NeoForge, Fabric17+declared7 Dec 2023
1.20.1NeoForge, Forge, Fabric17+declared12 Jun 2023
1.19.2Forge, NeoForge, Fabric17+declared5 Aug 2022
1.18.2NeoForge, Forge, Fabric17+declared28 Feb 2022

Download

From Ad Astra: More Structures’s own host. Nothing is re-hosted here.

Most recently published release

Ad Astra : More Structures - 1.21.1-neoforgerelease29 Aug 2026

ad_astra_more_structures-1.21.1-neoforge.jar · 0.6 MB · for 1.21.1 · NeoForge

Download this release
7835ef6225c8…
Older versions7
  • Ad Astra More Structures - 1.0.2 [Forge]26 Jun 20261.20.4, 1.20.10.5 MB4.4k downloads7987f57d1bf0…Get
  • Ad Astra : More Structures - 1.20.1 [Fabric]10 Jun 20261.20.10.6 MB1.3k downloads74ba52ab07d8…Get
  • Ad Astra : More Structures - 1.19.2 [Forge]10 Jun 20261.19.20.6 MBf12dc7135c0d…Get
  • Ad Astra : More Structures - 1.19.2 [Fabric]10 Jun 20261.19.20.6 MB4f2b0f0c3bfb…Get
  • Ad Astra : More Structures - 1.18.2 [Fabric]10 Jun 20261.18.20.6 MB899944e1cf03…Get
  • Ad Astra : More Structures - 1.0.1 [Forge]10 Jun 20261.20.4, 1.20.10.5 MBbebdd291cbdb…Get
  • Ad Astra: More Structures - 1.0.023 Jul 20251.20.4, 1.20.10.5 MB1.1M downloads7ceb1df8113e…Get

Frequently asked

Does Ad Astra: More Structures work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Ad Astra: More Structures 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 Ad Astra: More Structures support?

Everything the author has declared, from 1.18.2 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 Ad Astra: More Structures support?

NeoForge, Forge, Fabric. 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 Ad Astra: More Structures?

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 Ad Astra: More Structures?

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 Ad Astra: More Structures 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 29 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? .