ae2cs-1.21.1-neoforge-1.0.3.jar is a release file of the Minecraft mod AE2 Crystal Science for NeoForge, made for Minecraft 1.21.1. It was published on January 19, 2026 and is 1.5 MB in size. For the full description, screenshots and every other version, visit the AE2 Crystal Science mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
