The main character is an inhabitant of Refugio 101, a surviving refuge designed to protect a thousand humans from nuclear effects, but that shelter was prepared so that no one could leave or enter because the government wanted to see the impact of being locked up without being exposed to the Exterior. Fallout 3 is the third entry of the Fallout saga, open-world shooter games set in an apocalyptic nuclear world, this title takes place in the year 2277, 36 years after the events of Fallout 2 and 200 years after the nuclear apocalypse that devastated the game world in a future where international conflicts with China culminated in a Chinese-American war in the second half of the 21st century.
