achievements-16.9.15-forge-1.20.1.jar is a release file of the Minecraft mod Achievements 260+ for NeoForge, Forge, made for Minecraft 1.20.1. It was published on November 4, 2025 and is 1 MB in size. For the full description, screenshots and every other version, visit the Achievements 260+ mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.