Minecraft but Chunks are Random

Every chunk randomizes into a different block

39.3K Downloads

datapackfabricforgeneoforgegame-mechanicsworldgen

Rent Server with this Mod

Screenshots

Minecraft but Chunks are Random Screenshot 1

About this Mod

View of a hilly landscape. Each chunk is made of a different block

Overview

When stepping into a chunk, a random block is chosen to replace every block in that chunk.

If you'd like to make a video or content using this pack, go for it! If you do so, you must provide credit to me (Ambiguous Chameleon) and provide a link to this pack in the description and/or comments. Thank you!

Cheats & Commands

Changes the chunk you're in to the block held in the mainhand

/trigger ac.random_chunk.set_block

Uninstalls the data pack [data pack version only!]

/function ac_cheat:uninstall

Available Versions

v1.0.1_3-modrelease

MC 1.20, 1.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.5, 1.20.6, 1.21, 1.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.5, 1.21.6, 1.21.7, 1.21.8, 1.21.9, 1.21.10, 1.21.11fabric, forge, neoforge

January 25, 2026

v1.0.1_2 modrelease

MC 1.20, 1.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.5, 1.20.6, 1.21, 1.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.5, 1.21.6, 1.21.7, 1.21.8, 1.21.9, 1.21.10, 1.21.11fabric, forge, neoforge

January 25, 2026

v1.0.1 modrelease

MC 1.20, 1.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.5, 1.20.6, 1.21, 1.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.5, 1.21.6, 1.21.7, 1.21.8, 1.21.9, 1.21.10, 1.21.11fabric, neoforge

December 10, 2025

v1.0.1 data packrelease

MC 1.20, 1.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.5, 1.20.6, 1.21, 1.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.5, 1.21.6, 1.21.7, 1.21.8, 1.21.9, 1.21.10, 1.21.11datapack

December 10, 2025

v1.0release

MC 1.20, 1.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.5, 1.20.6, 1.21, 1.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.5, 1.21.6, 1.21.7, 1.21.8, 1.21.9, 1.21.10datapack

December 8, 2025

How to Install Minecraft but Chunks are Random on Your Server

Order Server

Order a Minecraft Java server with at least 4 GB RAM (6 GB recommended).

Set datapack Loader

In the panel under "Egg", select the datapack loader and matching Minecraft version (1.21.11).

Install Mod

Open the mod browser in the dashboard and search for "Minecraft but Chunks are Random". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

datapackfabricforgeneoforge

Minecraft Versions

1.21.11, 1.21.10, 1.21.9 (+16 more)

Server-side

✓ Required

Recommended RAM

6 GB(min. 4 GB)

Frequently Asked Questions

Minecraft but Chunks are Random server crashes on startup – what to do?

Most common cause: wrong datapack version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 4 GB RAM is allocated and the loader matches the mod version (1.21.11). You can switch loaders with one click in the panel.

Is Minecraft but Chunks are Random compatible with datapack and fabric and forge and neoforge?

Minecraft but Chunks are Random officially supports datapack, fabric, forge, neoforge for Minecraft 1.21.11, 1.21.10, 1.21.9. Note: Forge and Fabric mods are NOT cross-compatible – pick one loader and stick with it. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Minecraft but Chunks are Random – how to optimize performance?

Recommended RAM: 6 GB (per 5 players). Use /spark profiler to check if Minecraft but Chunks are Random consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.