News from the official website is that this game is now live, although it wont be for sale in Europe until April 8th.

The Matrix Online takes massively multi-player online games to a new level by giving players the chance to directly participate and make history within the Matrix's continuing, intriguing story," said Jason Hall, Senior Vice President for Warner Bros. Interactive Entertainment. "In The Matrix Online, gamers can create their ideal character for combat and socialization within an incredibly expansive urban environment and then interact with actual characters from the Matrix films