3 ms·So 30% for Valveby dkasper 3y agoSo 30% for ValveMacha 3y agoTo be fair, 30% is what Valve as a distributor charges (glass houses and all that). Valve the game developer is a hobby project subsidised by Valve the distributor.JimDabell 3y agoNo, 0% for Valve because they publish through Steam not the Mac App Store.