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72% of devs believe Steam has a monopoly on PC games, according to study
(www.gamesindustry.biz)
Steam is a video game digital distribution service by Valve.
Steam News | Steam Beta Client news
Useful tools:
SteamDB
SteamCharts
Issue tracker for Linux version of Steam
Well, since I use Linux, Steam is the only platform that cares about my money. The competition chose not to support my system.
Heroic Launcher works for GOG, Epic and Prime games.
Yes but that is a third party solution to those platforms refusing to support Linux. Good on the people developing Heroic, but Steam has native support.