If these guys stopped to define "failure state", this article would be golden. It seems that they use "fail state" exclusively to refer to situations where prog

If these guys stopped to define "failure state", this article would be golden. It seems that they use "fail state" exclusively to refer to situations where progress is reset, as opposed to any situation where the player has failed (i.e. died). It wasn't entirely clear until they started talking about Dark Souls that they weren't arguing against loss being part of fail states, only against fail states resulting in total, irreversible loss.