FTB Unstable 1.21 is a NeoForge-based experimental modpack for Minecraft 1.21, designed as a cutting-edge testing ground for freshly ported mods and new features. Dive into a constantly evolving sandbox where Minecraft’s latest iteration is pushed to its limits.
Explore massive custom world generation with William Wyther's Overhauled Overworld, Tectonic and structure-expansion mods, looting countless ruins thanks to lootr. Power up your factories with Modern Industrialization and Mekanism, build and extract with Xycraft, and master magic through Ars Nouveau, Theurgy, and Occultism. Join FTB Unstable 1.21 to experiment, report issues, and help shape the future of modded Minecraft. ⚙️