scp_ultimate-1.2.2-neoforge-1.21.1.jar is a release file of the Minecraft mod SCP: Ultimate for NeoForge, made for Minecraft 1.21.1. It was published on July 18, 2026 and is 30.3 MB in size. For the full description, screenshots and every other version, visit the SCP: Ultimate mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.