Browse our range of Overwatch posters. Overwatch is a team-based multiplayer first-person shooter video game developed by Blizzard. Released in May 2016 for Microsoft Windows, PlayStation 4, and Xbox One. An open beta in May 2016 drew in more than 9.7 million players and the game has received universal acclaim from critics, praising its accessibility and enjoyable gameplay.Players can choose from 22 playable characters within the game including Reinhardt, Roadhog, Torbjorn, Widowmaker and many others. Players are then divided into teams of 6 and work together to secure control points on a map and/or escort a payload across the map in a limited amount of time.