Dead by Daylight is a survival horror asymmetric multiplayer online game developed by Behaviour Interactive. It is a one-versus-four game in which one player takes on the role of a savage killer and the other four play as survivors; the killer must catch each survivor and sacrifice them to a malevolent force known as the Entity by impaling them on hooks, while the survivors must avoid being caught and fix five generators to open the exit gates. The game was first released for Microsoft Windows in June 2016, followed by additional ports for PlayStation 4 and Xbox One in June 2017, Nintendo Switch in September 2019, iOS and Android in April 2020, Stadia in October 2020, and PlayStation 5 and Xbox Series X/S in November 2020.