Ready to reprise your identity as Commander Sheppard for another adventure in BioWare's Mass Effect for the Xbox 360? We're letting the gamers know that the title's first downloadable content has now been made available over at Xbox Live, dubbed Bring Down the Sky.

As a recap, this latest bit of story-telling will have players attempting to prevent Batarian extremists from dropping an asteroid on the Terra Nova colony world.

This downloadable will add around 90 more minutes of game time to your copy of Mass Effect, as well as 50 additional Achievement Points. Mass Effect's Bring Down the Sky DLC will cost 400 Microsoft Points.

Note that the download will require 253.40MB of hard drive space. Stick around in case we receive any word on any other upcoming downloadables.