Development on the final game in the Mass Effect trilogy is complete. Now you just have to wait a month to play it. "After an awesome effort by our team, I'm proud to announce Mass Effect 3 is officially gold," said executive producer Casey Hudson on Twitter. "Many surprises await you - this week and beyond."

A demo for Mass Effect 3, containing both singleplayer and multiplayer, hits Xbox Live, PlayStation 3, and PC tomorrow.

Mass Effect 3 releases March 6.