Twitch: www.twitch.tv/00themessiah00. Fallout 4 is an open world action role-playing video game developed by Bethesda Game Studios and published by Bethesda Softworks. The game is the fifth major installment in the Fallout series, and was released worldwide on November 10, 2015. Fallout 4 takes place 200 years after a war over resources that ended in a nuclear holocaust in 2077 – roughly the same time as the events of Fallout 3. The setting is a post-apocalyptic retro-future, covering a region that includes Boston, Massachusetts and other parts of New England known as the Commonwealth. Unlike previous titles, Fallout 4‍ '​s story begins on the day the bombs dropped: October 23, 2077. The player's character takes shelter in Vault 111, emerging 200 years later..