The most popular free to play game on steam in december 2017, is Dota 2. Dota 2 had in this month, on average, 514135 simultaneous players. The highest measured peak is 864939 players, measured on Saturday 16 december 2017 16:00:02 pm. In the list below, and graph the statistics of the 10 most popular steam games of 12-2017.
The graph above shows the average number of players per game per day in december 2017. Click on a game in the legend to a game to show or hide in the graph. Press and hold the mouse on a line to see more information.