This does make me wonder what Stallman would say about games where all the executable code is FOSS, but the art assets still have all rights reserved. Granted,

This does make me wonder what Stallman would say about games where all the executable code is FOSS, but the art assets still have all rights reserved. Granted, such games are few and far between. (The only ones I can think of at all are some of iD's games, and even those were only opened long after the games' initial release dates.)