It is likely that if you own an Xbox 360, you have already downloaded and played the Halo Wars demo.  The much hyped RTS has been in the eyes and ears of all Halo fans for some time now.  The best part is, it is only going to get better.

Not only is the official release less than a month away but there are free prizes available for all of you Halo Wars demo downloaders.

It is ridiculously easy to enter, simply download the registration gamer picture and then the demo or if you already have the demo just download the registration gamer picture, that’s it!  The contest entry is open until  11:59 P.M. ET February 8, 2009 so try not to forget because the prizes are pretty fantastic.  Prizes are listed after the jump.

[Via Microsoft]

One Grand Prize Package:

• An Xbox 360 Elite custom Halo Wars console
• Xbox 360 120GB Hard Drive
• Xbox 360 Wireless Headset
• 4000 Microsoft Points
• Halo Branded Figurine Sets
• A 12-month Xbox LIVE Gold subscription card

Two First Prize Packages:

• Xbox 360 120GB Hard Drive
• Xbox 360 Wireless Headset
• Halo Branded Figurine Sets
• A 12-month Xbox LIVE Gold subscription card
• 2000 Microsoft Points (ARV, $25.00 USD)

Two Second Prize Packages:

• Xbox 360 Wireless Headset
• Halo Branded Figurine Sets
• 1000 Microsoft Points

Forty Third Prizes:

• 1000 Microsoft Points