You collapse into a weak kneel, your hand on a patch of rust. You've reached a moment of respite from the endless myriad of machines swarming the desolate earth. Conveniently, the door of the bunker is unlocked, but it is not empty. Downstairs, a woman is slumped over a beat-up rug. She jolts up to face you. "Oh! I...must've left the door unlocked..."