if you're interested in this kind of thing, The Mexican Runner beat every NES game (over 700 of them [1]) including such gems as Miracle Piano Teaching System, which took 91 hours to beat and required him to become quite proficient at actual piano playing [2]
[1] https://docs.google.com/spreadsheets/d/1KDNGI76HoMNyYLL6RqWu...
[2] https://youtu.be/PB_LMW72crY?t=3997