CurseForge · Minecraft mod
Block Extension+
A Minecraft mod adding new custom blocks, items, and decorations to your world. Explore new building possibilities and expand your creations!
Quick answer
Which Block Extension+ release should I use?
Block Extension+ block_extension-2.0.0-forge-1.20.1.jar targets 1.20.1 with Forge. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.
Where it goes
Is Block Extension+ required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does Block Extension+ block_extension-2.0.0-forge-1.20.1.jar need?
block_extension-2.0.0-forge-1.20.1.jar. Change the file and its required mods may change too.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add Block Extension+ without breaking your instance.
Built for Block Extension+ block_extension-2.0.0-forge-1.20.1.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use block_extension-2.0.0-forge-1.20.1.jar. It targets 1.20.1 with Forge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside block_extension-2.0.0-forge-1.20.1.jar. It opens that exact file at the source.
About this project
What does Block Extension+ add?
BlockExtension is a New mod that adds many new Blocks like new slabs and stairs! Please know that this mod is new and will be updated very often!
Mod doesn't support 1.20.6 or your mod loader? Drop a comment below asking for it, and I'll compile a file for you as soon as possible!
Project description from CurseForge.
Pick your setup
Block Extension+ by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Block Extension+ versions and loaders
block_extension-2.0.0-forge-1.20.1.jar
11 Sept 2026
block_extension-1.4.0-forge-1.20.1.jar
6 Sept 2026
block_extension-1.0.0-forge-1.20.1.jar
5 Sept 2026
Looking for an older file? The official CurseForge project page is in Resources.