Cave-in Fix is a Vintage Story mod by Onions and RosstheGreat. Cave-in Fix rebalances Vintage Story’s optional cave-ins by limiting hidden instability, stabilizing generated caves, and making collapses follow mining activity.
Why this mod is worth installing
This mod is for players who want cave-ins to feel more predictable and connected to mining, while avoiding collapses caused by unseen world-generation quirks.
What Cave-in Fix adds
Cave-in Fix changes how instability travels through blocks. An unstable rock, cracked rock, or ore block cannot exceed the stability of the block beneath it, reducing collapses that originate behind a visible, solid ceiling. Naturally generated caves and overhangs also receive a hardened-rock layer, helping prevent sedimentary formations from starting in an unstable state.
The mod removes cave-ins triggered by placing blocks, so construction is less likely to cause unexpected failures. Breaking blocks remains the main way to provoke a collapse, and the revised logic forms ellipsoid cave-ins around an exposed ceiling block instead of relying on the original collapse behavior.
A collapse now requires a stone block to reach full instability while exposed to air. An instability multiplier can also globally scale the instability of blocks, allowing the mechanic to be made gentler or more dangerous. The mod can work on its own or alongside InterestingOreGen.
Where to download Cave-in Fix
The official Vintage Story Mod DB page is the right place to get the current release through the in-game mod manager.