FTB StoneBlock 4 is the next evolution of the iconic underground modded Minecraft series, rebuilt for Minecraft 1.21.1 (NeoForge). Begin in the glowing Garden of Stone, pick from five unique starting islands, and progress through six branching Foundation Chapters powered by FTB Quests.
Dive into handcrafted Vaults with puzzles, brutal combat, and endurance trials, guided by holographic Echoes in custom sanctuaries. Upgrade the World Engine with over 15 multiblock tiers, reimagine resource gathering with the villager-powered Unearther, and enjoy a curated lineup of mods like Create, Mekanism, Ars Nouveau, Draconic Evolution, Twilight Forest, Chickens, and Fluid Cows. Host instant FTB Worlds servers or play solo with tight KubeJS integration. ⚙️