Compatibility
Minecraft: Java Edition
1.20.1
1.16.x
Platforms
Supported environments
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Details
Changelog
Undermod Beta Version 0.2.0
- First beta release for 1.20.1!
- Integrates Mystronics worldgen engine.
- Underbiomes: Adds Ancient Sewers, Underground Forest, Underground River, Subterranean Seas (warm and dark variations), Caverns and Crater.
- Mobs: Adds Leech and Rat.
- Blocks: Adds Block of Filth, Understeel Fence, Understeel trapdoor, Understeel door, Damp Stonebricks variations, Small Barrel, Stalactite blocks, Black Veil Mushroom block.
- Items: Black Veil Mushroom, Heap of Filth, Leech Tooth, Leech Head, Leech Spawn Egg, Rat Spawn Egg, Occult Hand Mirror (placeholder), Lost Key (placeholder), Clover Music Disc (Random Mind - The Bard's Tale).
Files
Metadata
Release channel
BetaVersion number
0.2.0Loaders
Game versions
1.20.1Downloads
494Publication date
March 31, 2025 at 7:51 AMPublisher

Mystronics
Member