Ultratech-0.9.0.5.2.jar is an alpha file of the Minecraft mod UltraTech, made for Minecraft 1.7.10. It was published on July 8, 2014 and is 1.3 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 UltraTech mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
