sandbox-1.0.0-neoforge-1.21.4.jar is a release file of the Minecraft mod Kool Keys for NeoForge, made for Minecraft 1.21.1-Snapshot, 1.20.2, 1.21.8, 1.20.1, 1.21.1, 1.21.9. It was published on November 17, 2025 and is 0.1 MB in size. For the full description, screenshots and every other version, visit the Kool Keys mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
