[1]. Natural infestations require an area larger than 1x1, within 30 tiles of a colony structure, with at least one overhead mountain roof. They start from a single "valid" tile, which must have a temperature higher than -17 °C (1.4 °F). Temperatures under -8 °C (17.6 °F) ...
Where enemies keep trying to use sappers to tunnel, the leading pawns end up moving over a dozen wooden traps before they get to their tunnel points; sometimes that kills the sappers and the raid reverts to a normal one and attacks. In my current playthrough, I've yet to build a ...
Low damage Rarely kills or incapacitates Cannot be used in killboxesIt is optimal for softening a group of raiders so it's easier to defeat them. You can also put them in multiple layers, but placing the traps too close to one another will result in the trap not triggering properly. ...