Player Intrusions

From the earliest days of Numenera, people asked, “Why are there GM intrusions and not player intrusions?” I felt, at the time, that GM intrusions were a story tool, and in Numenera, the GM was responsible for things like that. But the players are as much a part of the crafting of the story as the GM, and if a GM intrusion can make a floorboard beneath the PC’s foot snap, then sometimes a floorboard should break beneath the foot of an NPC.