After debuting in Nightdive's second remaster, one of the best mods for classic FPS Blood just released its concluding episode for everyone to play

Late last year, Nightdive Studios released Blood: Refreshed Supply, its second remaster of Monolith Productions' brilliant FPS debut. For PC gamers with one Blood remaster already in their Steam library, the highlight of the package wasn't anything technical—it was the addition of the concluding part of one of Blood's best mods.

That mod is Marrow, a new campaign for Monolith's deviously difficult and ferociously violent shooter. It's sort of Blood's equivalent of John Romero's Sigil—a continuation...