The spinoff co-op action game Horizon Hunters Gathering is holding another playtest from May 22 until May 25. Registration is already open via the PlayStation Beta Program , with availability on both PC and PS5. This follows an initial playtest from the end of February . For the uninitiated, Horizon Hunters Gathering is a multiplayer game set in the Horizon universe. It's being developed by Guerrilla, the same company behind both Horizon Zero Dawn and Horizon Forbidden West . This spinoff has been in the works for at least four years, which is when we first caught wind of it . Gathering isn't an exploration-focused, open world adventure game like the originals. It's an action co-op that tasks players with hunting down killer machines, Monster Hunter style. "Combat is tactical, reactive, and deeply skill-based, building on the tactical precision of the Horizon games while embracing the dynamics of team play," game director Arjan Bak wrote on the PlayStation Blog .…