Ah-Mod 0602xx18 is an alpha file of the Minecraft mod Achievement hunter mod, made for Minecraft 1.12.2. It was published on June 2, 2018 and is 0.2 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 Achievement hunter mod mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.