Six Steam games released in 2015 have sold over 1m copies, while another six have exceeded the 500,000 sales mark.
Based onSteam Spy’snumbers, Grand Theft Auto V for PC, Rocket League for PC, Ark: Survival Evolved, H1Z1, Cities: Skylines and Besiege have each sold in excess of 1m units on Valve’s distribution service during this year.
Games released prior to 2015 that sold over 1m units this year – such as Counter-Strike: Global Offensive – aren’t included in the set.
Along with those, six additional titles have sold past 500,000 copies on Steam: The Witcher 3, Dying Light, Stranded Deep, Killing Floor 2, Total War: Attila and Pillars of Eternity.