etg_engineering-0.5.1.jar is a beta file of the Minecraft mod ETG Crystal Engineering for NeoForge, made for Minecraft 26.1.2. It was published on September 8, 2026 and is 5.4 MB in size. Pre-release builds can contain bugs — back up your world before installing. For the full description, screenshots and every other version, visit the ETG Crystal Engineering mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
