Horizon Zero Dawn is an open-world action role-playing video game developed by Guerrilla Games and published by Sony Computer Entertainment for the PlayStation 4 in 2017. It was officially revealed at E3 2015 during Sony's press conference and is the first intellectual property created by Guerrilla Games since Killzone in 2004, as well as the developer's first foray into the role-playing genre. The game was subsequently released on Microsoft Windows in 2020. It is the first game in the Horizon s