Cave-Instability adds realistic cave-ins to Minecraft. Unsupported blocks can collapse, debris slides downhill, floating rock formations can fall, and player-built support pillars help stabilize caves. Fully configurable with Mod Menu and compatible with vanilla and modded blocks.
minecraftmoddingfabricphysicsterrain-generationblocksminecraft-modgravitygameplaycollapsesurvivalgeologyrealisticrealismcavesfabricmcfabric-modminecraft-fabriccave-generationminecraft-1-21-1
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Updated
Aug 8, 2026 - Java