On February 20, 2005 there were 4.6 million registered players, and 2.7 million of them had finished basic training. Also, there were more than 15,000 servers being used, and 1.3 million rounds being played each day. The game has been changed a lot. This keeps people interested in the game. It can be found as a free download on the Internet or on a CD-ROM at recruiting centers around the United States.