I always got mad at the build limit mods that generate the world below the orignal -64, so I made my own pack that allows world gen to stop at -64 but have it so you can build 64 blocks below it. have fun with your below bedrock dreams

build below bedrock

MC 1.21, 1.21.1

Release 2026-06-29 Get

Requirements & install

How to use this data pack in Minecraft

Mods needed: None, works in vanilla
Minecraft: 1.21 – 1.21.1
Install folder: saves/<world>/datapacks

How to install data packs

Download the data pack .zip file (do not extract it).
New world: click Data Packs on the world creation screen and drop the .zip in. Existing world: open .minecraft/saves/<world>/datapacks.
Put the .zip into the datapacks folder of the world (servers: world/datapacks).
Run /reload in game (or rejoin the world) and check it with /datapack list.

Browse more: Data Packs for 1.21.1 All data packs

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Latest Release

Version

1.21, 1.21.1

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Details

Minecraft Versions

MC 1.21.1 MC 1.21

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build below bedrock

Requirements & install

How to install data packs

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