cos_mc-1.27.1-neoforge-1.21.1.jar is a release file of the Minecraft mod Creatures of SonariaCraft for NeoForge, made for Minecraft 1.21.1. It was published on February 24, 2026 and is 20 MB in size. For the full description, screenshots and every other version, visit the Creatures of SonariaCraft mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
