![[One Block] Data Pack](https://cdn.modrinth.com/data/SJL8Qn5Y/1f25f55c3e784e296e90920bd63a15f2a895b253.gif)
DatapacksJava
[One Block] Data Pack
Java data pack listed for Minecraft 1.21. File opened and checked on 28 Oct 2026; downloads from the MC Java Mods app on Android.
Your entire world begins with a single regenerating block. Free Minecraft Java datapack for 1.21, 1.21.1.
⬇ Download on ModrinthQuick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21, 1.21.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — see the MC Java Mods guides for the full walkthrough.
File checked by MCModsHub
- Downloads as One Block.zip
- Download size: 291 KB
- Download link checked 6 Nov 2026 — working
These come from our own check of the pack file, not from the source page.