Cosy Killer By escapethereview | May 15, 2019 0 Comment WebsiteCosy Killer has 3 games currently available.Play-at-home games by Cosy Killer An Inheritance of Murder📫subscription game Murder at Marlborough House📫subscription game The Curse of King Humanrah📫subscription gameSee also All play at home escape games Our guide to the best play-at-home escape games