Neo ECO AE Extension v21.1.1 is a release file of the Minecraft mod Neo ECO AE Extension for NeoForge, made for Minecraft 1.21.1. It was published on July 19, 2026 and is 2.6 MB in size. For the full description, screenshots and every other version, visit the Neo ECO AE Extension mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
