Rimelig sikker på at Valve ikke tar seg betalt for patching, hvertfall ikke for indiespill.
http://www.thesixthaxis.com/2012/07/19/polytron-wont-fix-fez-patch-blames-microsoft-for-certification-costs/ skrev:
Had FEZ been released on Steam instead of XBLA, the game would have been fixed two weeks after release, at no cost to us.