Paris-based F4 game development company today announced a partnership with Prince Sports for Empire of Sports, a game which is designed to allow millions of players around the world to simultaneously exist in a persistent online universe, where their avatars socially interact, train, compete and attend events in various sports disciplines to build a virtual sporting existence. Prince racquets are played at all levels and the racquet choice of such superstars as Maria Sharapova, Gael Monfils, Mike and Bob Bryan and Jelena Jankovic. Likewise, players can choose to use a virtual Prince racquet in order to boost the in-game performance of their avatar. Check full story for details.