Stanley works in an office building, where his sole job is to press buttons on a keyboard as instructed. When his workflow is disrupted one day, Stanley steps out of his office to realise that it is entirely abandoned and that he is hearing a strange voice in his head. As Stanley goes forth to explore his office building, the choices he makes will take him on completely different routes.

The Stanley Parable is an art game that explores the meaning of choice and decisions, as Stanley explores a mysterious world in his building, and a narrator struggles to build a story about his decisions, making for a strange and entertaining ride.