Aether II 1.6.4-4.0 (Halloween Update!) is an alpha file of the Minecraft mod Ruby's are cool, made for Minecraft 1.6.4. It was published on October 29, 2014 and is 85.3 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 Ruby's are cool mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
