Hattrick
Hattrick is a browser-based massively multiplayer online football management game developed in Sweden and started in 1997. Currently the game contains 128 different countries, each with its own league pyramid, and 53 different language versions. As of 21 August 2015, the community of the game has about 314,000 users, each with their own team, but the number has been steadily declining (currently losing up around 350 users a day) since it peaked in February 2009 with almost one million users. Hattrick has arranged 57 seasons as far as December 2014 (each of which lasts about four months).