simplystems-1.0-neoforge-1.21.4.jar is a release file of the Minecraft mod SimplyStems for NeoForge, made for Minecraft 1.21.4. It was published on September 9, 2025 and is 0 MB in size. For the full description, screenshots and every other version, visit the SimplyStems mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
