Links 2004 is a golf simulation computer game by Microsoft for the Xbox. It was part of the XSN Sports, which also included sports games such as Amped, Top Spin, NBA Inside Drive, NFL Fever and Rallisport Challenge.
Links 2004 was released November 11, 2003. The game supports from one to four players, system link of 2-4 players, Dolby 5.1 Surround sound, custom soundtracks, HDTV 480p, and Xbox Live Scoreboard and online play. It also featured simultaneous online play - referred to as Stroke "Fast Play" - where each player could complete the hole at their own pace and not have to wait their turns.
Source: Wikipedia, "Links 2004," available under the CC-BY-SA License.