big_bang-26.8.9-neoforge-1.21.1.jar is a release file of the Minecraft mod Big Bang for NeoForge, made for Minecraft 1.21.1. It was published on September 26, 2026 and is 13.5 MB in size. For the full description, screenshots and every other version, visit the Big Bang mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.