Microsoft has announced that the new video series Halo Wars: Universe Expanded has made its debut on Xbox LIVE. 

This exclusive series will further explore the Halo backstory, following humanity's strugle to save the universe, granting fans more insight into the franchise across all four titles.  The videos will be split into three acts and help establish Halo Wars as an integral part of the Halo timeline.  Expanded Universe: Act I is now available for download on the Xbox LIVE Marketplace or Xbox.com. 

The Halo RTS will be released tomorrow, February 27, in Europe and Tuesday, March 3, in North America.  Keep an eye out for our review on the front page!