1.0.4+1.21.1-NeoForge is a release file of the Minecraft mod ~Blast from the Past~ for NeoForge, made for Minecraft 1.21.1. It was published on October 22, 2025 and is 23.3 MB in size. For the full description, screenshots and every other version, visit the ~Blast from the Past~ mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.