cosmosbeam-neoforge-1.21.1-1.0.0.0.jar is a release file of the Minecraft mod Cosmos Beam for NeoForge, made for Minecraft 1.21.1. It was published on April 11, 2025 and is 0.1 MB in size. For the full description, screenshots and every other version, visit the Cosmos Beam mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.