Megastructure block 0.1a.8 is an alpha file of the Minecraft mod Megastructure Block for NeoForge, made for Minecraft 1.21.9, 1.21.10. It was published on December 1, 2025 and is 0.1 MB in size. Pre-release builds can contain bugs — back up your world before installing. For the full description, screenshots and every other version, visit the Megastructure Block mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
