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UndergroundBiomesConstructs [Reworked]

UndergroundBiomesConstructs [Reworked]

MOD
This is a continuation of the "UndergroundBiomesConstructs" mod
by lays24mc
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484 downloads
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Updated Oct 14, 2026
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Biomes Cosmetic Ores and Resources Structures
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UndergroundBiomesConstructs [Reworked]

UndergroundBiomesConstructs [Reworked] brings back the classic underground biome experience, reimagined and updated for Minecraft 1.21.1.

This mod is based on the original 1.7.10 version by Zeno410.
Original version here: UndergroundBiomesContructs


About the Project

This is a fun project and also my first biome mod. The goal is to make underground exploration more varied and interesting by adding diverse new biomes.

As it is a hobby project, bugs or issues may still be present


Compatibility

The mod should work alongside other biome mods. Tested with Biomes O' Plenty

Further testing with other mods may follow.


Version & Future Plans

Currently planned for Minecraft 1.21.1

No backports to older versions are planned

The focus is entirely on the current version.

undergroundbiomesconstructsreworked-1.21.1-1.0.2-beta.jar
MC Client, 1.21.1, NeoForge, Server
Release 2026-09-16 Get
undergroundbiomesconstructsreworked-26.2.x-1.0.0.jar
MC Client, NeoForge, Server, 26.2
Release 2026-06-17 Get
undergroundbiomesconstructsreworked-26.1-1.0.0.jar
MC Client, NeoForge, Server, 26.1, 26.1.1, 26.1.2
Release 2026-03-25 Get
undergroundbiomesconstructsreworked-1.0.1-beta.jar
MC Client, 1.21.1, NeoForge, Server
Release 2026-02-18 Get
undergroundbiomesconstructsreworked-1.0.0-beta.jar
MC Client, 1.21.1, NeoForge, Server
Beta 2026-02-16 Get

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