Wiki 9Minecraft The Undergarden Wiki
The Undergarden Wiki

The Undergarden Wiki & Guide

wiki.9minecraft.net/undergarden-mod/

The community wiki and guide for The Undergarden — recipes, items, tags and mechanics, kept current for every Minecraft version the mod supports.

340recipes · MC 1.21.1
289recipes · MC 1.20.1
272wiki pages
2MC versions
Updated 13 days ago2.9M downloads440 followersLicense: LicenseRef-All-Rights-Reserved

About this mod

Undergarden Logo

Deep underground, a forgotten land awaits.

Discord: https://discord.gg/zrnMPDM

What is the Undergarden?

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.

Minecraft Server

Want to rent your own server? Click the banner below to get started with a 20% discount on the first month. Akliz promo

Features

  • A whole new dimension to explore, build, and survive in
  • Over 10 unique entities
  • 15 biomes
  • Ores that have special properties when made into tools and weapons
  • Over 10 music tracks
  • Over 10 advancements to guide you on your journey
  • 4 special potion effects
  • 1 dungeon

And more to come in the future...

How to enter the Undergarden

To enter the Undergarden, you must first craft a Catalyst. You can craft a Catalyst using the recipe below:

Catalyst Recipe

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.

Activated Undergarden Portal

You can also use bricks derived from the Undergarden to create the portal.

Compatibility

Which Minecraft versions and mod loaders the mod supports.

LoaderMC 26.1.2MC 1.21.1MC 1.21MC 1.20.6MC 1.20.4MC 1.20.1
Forge
Neoforge

Recent updates

Latest releases with the author's changelog notes.

0.9.8 2026-08-24 · neoforge · MC 26.1.2
  • fixed crash regarding virulent on newer neoforge versions
  • unhardcoded block stripping to the neo datamap
  • fixed virulent fluid interactions with water and lava
  • fixed some missing and incorrect recipes
  • fixed forgotten minion being unspawnable
  • fixed some odd behavior with dreadrock breaking slowdown
0.9.7 2026-07-14 · neoforge · MC 26.1.2
  • Made Stoneborn trades data driven. The system works very similarly to the new villager trade system introduced in this update.
  • moved all animal foods and tempt items to tags
  • moved shearing drops to loot tables
  • forgotten guardians will no longer despawn in peaceful: they will now enter an inactive state instead, making them invulnerable to any damage.
  • renamed spear to javelin, tweaked the

...

0.9.6 2026-04-02 · neoforge · MC 1.21.1
  • changed mysterious pots to be more resiliant to despawning
  • fixed unique weapon abilities only working on player attackers
  • small tweaks to froststeel weapon sprites
  • added capability support to the infuser (thanks to rexlNico)
  • tweaked the utheric infection and gloomgourd overlays
  • added pt_br translation (thanks to PrincessStelllar)
  • added es_es translation (thanks to Diaburomon)
0.9.5 2026-03-18 · neoforge · MC 1.21.1
  • Biome distribution has been reworked. Subject to further changes
  • Gronglets are now edible, albiet at a dire cost
  • Added client config to disable the Utheric Infection overlay
  • Added missing lang entries for configs
  • Utheric Infection damage now increases over time
  • Added more valid portal frame blocks
  • Cracked Stone Bricks
  • Chiseled Stone Bricks
  • Cracked Deepslate Bricks
  • Crack

...

0.9.4 2025-12-23 · neoforge · MC 1.21.1
  • Added modded Shears support for Undergarden block loot tables
  • Fixed Forgotten with Forgotten Pickaxes rarely spawning in Catacombs
  • Updated some translations
  • Dreadrock now only takes forever to mine with the wrong tool if it's in Undergarden
  • Tweaked Rogdorium Grove biome colors
  • Added special ambient particle to Rogdorium Grove
  • New textures for Dreadrock ore blocks
  • New Utherium item

...

Indigo Mushroom Bog
Indigo Mushroom Bog
Ink Mushroom Bog
Ink Mushroom Bog
Denizens
Denizens
The Depths
The Depths
Catacombs Entrance
Catacombs Entrance
Smogstem Forest
Smogstem Forest
Undergarden Portal in Ink Mushroom Bog
Undergarden Portal in Ink Mushroom Bog
Rotspawn in Catacombs
Rotspawn in Catacombs

Mods in the same category as this one.

Xaero's MinimapXaero's World MapNot Enough Animations3D Skin LayersSimple Voice ChatLambDynamicLights - Dynamic Lights

Developer resources

Source codeReport an issue

Guides

Processes

Every recipe the mod adds, grouped by how it is made.

Crafting · 209minecraft:blasting · 21minecraft:campfire_cooking · 5minecraft:smelting · 30minecraft:smithing_transform · 6minecraft:smoking · 5minecraft:stonecutting · 59undergarden:infuser_conversion · 4

Structures

Every structure the mod generates, with biomes and placement.

CatacombsDenizen CampDepleted MineForgotten Vestige

Items

Blocks

Frequently asked questions

How do you get to the Undergarden?

The Undergarden is reached through the mod's own portal, built from its materials. It leads to a dark subterranean dimension located deep below the Overworld's bedrock.

What is the Rotspawn?

The Rotspawn are invasive monsters from a chaotic, mysterious realm that plague the Undergarden, so the dimension requires combat readiness alongside exploration.

What is special about the Undergarden's plants?

Its flora has adapted to grow anywhere, independent of light, giving the dark dimension a distinctive glowing landscape you can harvest and build with.

What do you find in the Undergarden?

Over ten unique entities plus the dimension's own metals, materials and glowing blocks to mine, fight through and build with.

Version history

The Undergarden 0.8.14 (MC 1.20.1) → 0.9.6 (MC 1.21.1): 55 recipes added · 4 recipes removed · 54 recipes updated.

+ Ancient Root Boat+ Ancient Root Button+ Ancient Root Boat with Chest+ Ancient Root Door+ Ancient Root Fence+ Ancient Root Fence Gate+ Ancient Root Hanging Sign+ Ancient Root Planks+ Ancient Root Pressure Plate+ Ancient Root Sign+ Ancient Root Slab+ Ancient Root Stairs+ Ancient Root Trapdoor+ armor_infusing+ Rogdorium+ Utheric Cluster+ Dweller Steak+ Dried Kelp+ Gloomper Leg+ Cooked Gwibling+ Roasted Underbeans+ Cloggrum Bucket+ Crumbling Catalyst+ Mysterious Totem+ Dreadrock Brick Slab+ Dreadrock Brick Stairs+ Dreadrock Brick Wall+ Dreadrock Bricks+ Dreadrock Button+ Dreadrock Pressure Plate+ Dreadrock Slab+ Dreadrock Stairs+ Dreadrock Wall+ Infuser+ Rogdoric Gronglet+ Block of Rogdorium+ Rogdorium Nugget+ Spear+ Utherium Crystal+ Utheric Gronglet− Diamond− masticated_chestplateUtherium Crystal~ Utheric Cluster~ Catalyst~ Chiseled Depthrock Bricks~ Chiseled Shiverstone Bricks~ Chiseled Tremblecrust Bricks~ Depthrock Brick Slab~ Depthrock Brick Stairs~ Depthrock Brick Wall+26 more

Similar mods

All Dimensions mods →