We track 323 games released on Steam in 2009. The most played is Left 4 Dead 2, with an all-time peak of 162,237 players (released Nov 17, 2009), followed by Total War: EMPIRE – Definitive Edition (27,531) and Killing Floor (24,083). 7 of the 100 games below have peaked above 10,000 players, and together they have 20,672 people playing right now.
Most played games right now, this week and this year · New player records · Just released
