Steam Next Fest offers hundreds of demos, and I've been prancing through the field, arms spread, dabbling in dozens of experiences. I'm a big fan of horror, and the horror-adjacent: the grim, the mysterious, the spooky. Here are three games from this summer's Steam Next Fest that hooked me with the macabre: one where you play a coroner, one where you collect corpses, and one where you become a corpse via murder in an evil hotel.