Back to Blocks

Turn slabs, stairs, walls and carpets back into their block variants!

459 Downloads

datapackfabricforgeneoforgequiltgame-mechanicsutility

Rent Server with this Mod

About this Mod

Turn any slabs, stairs, walls or carpets back into their block variants:

Slabs: 2 slabs vertically for 1 block

Stairs: 4 stairs in a square for 3 blocks

Walls: 4 walls in a square for 3 blocks

Carpets: 3 carpets vertically for 1 block

Available Versions

B2B 1.0release

MC 1.21.4, 1.21.5, 1.21.6, 1.21.7, 1.21.8, 1.21.9, 1.21.10fabric, forge, neoforge, quilt

November 12, 2025

B2B 1.0release

MC 1.21.4, 1.21.5, 1.21.6, 1.21.7, 1.21.8, 1.21.9, 1.21.10datapack

October 26, 2025

How to Install Back to Blocks on Your Server

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

Set datapack Loader

In the panel under "Egg", select the datapack loader and matching Minecraft version (1.21.10).

Install Mod

Open the mod browser in the dashboard and search for "Back to Blocks". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

datapackfabricforgeneoforgequilt

Minecraft Versions

1.21.10, 1.21.9, 1.21.8 (+4 more)

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Back to Blocks 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 3 GB RAM is allocated and the loader matches the mod version (1.21.10). You can switch loaders with one click in the panel.

Is Back to Blocks compatible with datapack and fabric and forge and neoforge and quilt?

Back to Blocks officially supports datapack, fabric, forge, neoforge, quilt for Minecraft 1.21.10, 1.21.9, 1.21.8. 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 Back to Blocks – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Back to Blocks 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.