No, it's been the most popular Steam title for well over a year now. It's been several times more popular than the second most (usually Team Fortress 2) for quite some time as well.
Furthermore, even though they've just announced that they've come out of Beta, almost none of the new players have been invited in yet as they're inviting people via waves.
Once all new players actually get in, and Dota 2 opens up in other countries such as China and Korea, these figures will skyrocket by several magnitudes - probably well overtaking World of Warcraft in number of players.
Furthermore, even though they've just announced that they've come out of Beta, almost none of the new players have been invited in yet as they're inviting people via waves.
Once all new players actually get in, and Dota 2 opens up in other countries such as China and Korea, these figures will skyrocket by several magnitudes - probably well overtaking World of Warcraft in number of players.