The World of Tanks Website has details on a new version 6.6 update that's now live in this MMO armored combat shooter. The new version includes a new Siegfried Line map, new tanks, and more, and this page offers the complete patch notes. In other news about the game, Wargaming.net announces World of Tanks is celebrating the first anniversary since its launch, and now boasts five million registered users, and that on a daily basis they have over 172,000 players online concurrently. They also state that World of Tanks is becoming one of the disciplines in the international Electronic Sports League (ESL). "We didn't expect World of Tanks would become this popular," said Wargaming.net CEO Victor Kislyi. "The game's success has given us confidence we needed to continue our expansion into the world of online wargames."