Following the recent news of the Xbox Live lawsuit, Microsoft has officially confirmed the free Xbox Live Arcade game being offered to Xbox Live users.

The side-scrolling title, Undertow, will be available on January 23 at 2 am (PST) until January 27, 11:59 pm (PST) as Microsoft's compensation for their Live service downtime over the holiday season.

Xbox Live's Major Nelson has issued this comment on the forums:

"If you have already purchased the game, you can contact support and they will take care of you."

Those that wish to visit the site can do so here.