Fallout 3 is a vast space of solitude one can live deep inside. There is a strange rule of god to its ecosystem, hundreds of NPCs left to their own devices, choppy sentience peaking though the random encounters, schrodinger's iguana on a stick disappearing and reappearing in your oven, mole rat corpses glitchily migrating through the walls of your sewer home, the exact missile launcher you left stashed on the floor clips a block away to be discovered days later.

By the time I reached the robobrain simulation vault, I had 300 hours into the game, and holy fuck...