Microsoft has opened registration for the new Live Arcade Challenge. Competition will feature two events involving two Live Arcade games: Lumines Live and Small Arms.
Prizes include High-Definition televisions, HD-DVD and Wireless bundles and MS Points. Both events award 105 best players.
The Lumines Live Challenge takes place between 17th and 23rd of December. Participants will compete in 60 sec. Time Attack mode. The Small Arms Challenge will be arranged between 24th and 30th of December in ranked matches. Mandatory registration is open until 22nd of December here.
At the moment the Challenges are only available for residents in the United States and parts of Asia, and also Australia. Rumors circulating around the Internet say that the competition might later be available in Europe too.
Update: The Challenges have now gone global and are open in Europe too. When signing up, remember to choose the correct locale.