As the sole survivor of Vault 111, you enter a world destroyed by nuclear war. Every second is a fight for survival, and every choice is yours. 200 years after a nuclear war, Fallout 4 is set in a post-apocalyptic Boston. Explore Fallout 4‍ '​s open world setting at will, allowing nonlinear gameplay. Additional party members can accompany the player, who will assist them in battles. Players have the ability to construct and deconstruct buildings and items, and use them to build a settlement, which can attract and be inhabited by non-playable characters..