BuildCraft UNOFFICIAL

Unofficial port of BuildCraft 8.0.0 to newer Minecraft versions

684 Downloads

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Rent Server with this Mod

Screenshots

About this Mod

An Unofficial port of BuildCraft 8.0.0 to Minecraft 1.21.1+ on NeoForge

…more of an attempted faithful recreation. Please mention if something is missing or broken!

Some new features:

JEI & REI integration (REI support stops at 1.21.11 only right now)
Advanced facade de-duplication (literally cuts down on like +1000 identical facades)

On the non-commital roadmap:

Some new minor gameplay features
Further mod support

Available Versions

2026.1.0 for 26.1.2 Release Candidate 4beta

MC 26.1.2neoforge

June 8, 2026

2026.1.0 for 1.21.11 Release Candidate 4beta

MC 1.21.11neoforge

June 8, 2026

2026.1.0 for 1.21.10 Release Candidate 4beta

MC 1.21.10neoforge

June 8, 2026

2026.1.0 for 1.21.1 Release Candidate 4beta

MC 1.21.1neoforge

June 8, 2026

2026.1.0 for 1.21.11 Release Candidate 3beta

MC 1.21.11neoforge

June 3, 2026

How to Install BuildCraft UNOFFICIAL on Your Server

Order Server

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

Set neoforge Loader

In the panel under "Egg", select the neoforge loader and matching Minecraft version (26.1.2).

Install Mod

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

Compatibility

Mod Loaders

neoforge

Minecraft Versions

26.1.2, 26.1.1, 26.1 (+3 more)

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

BuildCraft UNOFFICIAL server crashes on startup – what to do?

Most common cause: wrong neoforge 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 (26.1.2). You can switch loaders with one click in the panel.

Is BuildCraft UNOFFICIAL compatible with neoforge?

BuildCraft UNOFFICIAL officially supports neoforge for Minecraft 26.1.2, 26.1.1, 26.1. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with BuildCraft UNOFFICIAL – how to optimize performance?

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