Four million people play League of Legends every day, Riot Games has announced.
That's an increase of 280 per cent since July 2011. It is one of the top five PC games in the US and Europe.
The DOTA game has 11.5 million monthly active players. Peak concurrency reaches 1.3 million. The registered player base is over 30 million worldwide. Over a billion games of League of Legends have been played since launch.
League of Legends is about to enter its second competitive season, which features a $5 million prize pool - the largest in eSports history.
"The incredible passion and dedication of our players is positively inspiring," said Brandon Beck, co-founder and CEO of Riot Games.
"Our community's boundless enthusiasm is why they are central to every decision we make at Riot."
League of Legends, which launched in October 2009, is a free-to-play online action strategy game inspired by the iconic Defense of the Ancients Warcraft III mod.