Underground WorldsMods · 1.19 – 26.xAdds underground biomes and underground dungeons, as well as some above ground structures, in a modular and configurable way.
Free3,086,188 downloads
Deep underground, a forgotten land awaits.
Direct download from Modrinth · 3,095,598 downloads
The Undergarden is a mod made by quek. Deep underground, a forgotten land awaits.
It supports Minecraft 1.20 – 26.x. It has been downloaded 3,095,598 times on Modrinth. The last update came out on Aug 25, 2026.
The Undergarden has had 23 releases on Modrinth since Nov 6, 2023. 5 of them came out in the past year. The newest is 0.9.8, released on Aug 24, 2026. It is made for Minecraft 26.1.2. It runs on NeoForge. The download is 43.5 MB.
| Version | Released | Minecraft | Type |
|---|---|---|---|
0.9.8 | Aug 24, 2026 | 26.1.2 | Beta |
0.9.7 | Jul 14, 2026 | 26.1.2 | Beta |
0.9.6 | Apr 2, 2026 | 1.21.1 | Beta |
0.9.5 | Mar 18, 2026 | 1.21.1 | Beta |
0.9.4 | Dec 23, 2025 | 1.21.1 | Beta |
The Undergarden is a dark, subterranean world located deep below the bedrock of the Overworld. The flora here has adapted to their conditions and can grow anywhere, independent of light. Strange creatures call these dark lands home, and are plagued by the invasive Rotspawn, monsters originating from a chaotic, mysterious realm.
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To enter the Undergarden, you must first craft a Catalyst.
You can craft a Catalyst using the recipe below:
Once you have made that, create a frame in the shape of a Nether portal using Stone Bricks or Deepslate Bricks. Activate the Undergarden portal by right clicking the inner bottom of the frame with the Catalyst.
You can also use bricks derived from the Undergarden to create the portal.
Written by quek. Read it with pictures on Modrinth.
This mod is needed on both the server and every player who joins.
Install Forge and NeoForge for Minecraft 1.20 – 26.x.
Download the .jar file from Modrinth and put it in the mods folder of your .minecraft directory.
Start Minecraft with the Forge profile.
Easier: in Prism Launcher or the Modrinth App, search for The Undergarden in your instance's mods and click Install. It adds the loader and the mods it needs for you.
Full guide: How to install Minecraft mods
| Resource | Downloads | Versions | Last update | Price |
|---|---|---|---|---|
| The Undergardenthe one you looked at | 3.1M | 1.20 – 26.x | Aug 25, 2026 | Free |
| Underground WorldsHexagonNico | 3.1M | 1.19 – 26.x | Sep 2, 2026 | Free |
 Deeper and Darkernitrodynamite18 | 16.4M | 1.19 – 1.21 | Jul 11, 2026 | Free |
 Friends&Foesfaboslav | 12.2M | 1.18 – 26.x | 17 days ago | Free |
Yes. The Undergarden supports Minecraft 26.x. All supported versions: 26.x, 1.21, 1.20.
Yes. The Undergarden is free to download from Modrinth.
Both. The server and every player need The Undergarden installed.
Yes. The last update came out in the past day.
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