Square Enix has somewhat of a surprise Christmas gift for Xbox 360 owners. The company shared today a final worldwide release date for its Xbox Live Arcade shooter 0 Day: Attack on Earth. Players throughout the world can look forward to the game on December 23.

0 Day: Attack on Earth is a free roaming overhead shooter. You face off against invading aliens in heated air battles set in such real locations as Tokyo, Paris and New York. Online play options include cooperative play for up to 4 and competitive play for up to 8.

Pricing is set at 1,200 MS Points.