ModsJava
One Way Barrier
Add a "One Way" Barrier where it allows every direction beside the front side to be entered. Imagine a door where you can leave but can't enter.
⬇ Download on CurseForgeThe author built this one for Minecraft 1.20.1 on Forge. On other versions it may install and then do nothing.
Verified by MCModsHub
- Ships as onewayblock-1.0.3.jar — drop this file into the mods folder
- Download size: 23 KB
- Download link checked 18 Aug 2026 — working
These come from our own check of the pack file, not from the source page.