The video game, which you can play as a Na'Vi (the 10-foot-tall blue-skinned native of Pandora) or as a human, and fight for either side's directives (each species has different goals, and who's to say who's the bad guy). Also interesting is the entire gaming story runs parallel to the movie, but won't spoil the film. Here is the entire clip from Cameron's video E3 presentation, thanks to G4.

Stills from video game collaborators Ubisoft.

According to Ars Technica, after seeing this trailer at E3, the press was notified that the ESRB refused to approve the trailer, so it couldn't be released in the U.S. Why this means anything at all with a form of media intended to be released online is anyone's guess, but it sure won't hurt the marketing buzz. Dead Space is the tale of a mining operation that cracks open an alien planet looking for materials . . . and finds something they didn't bargain for.

Two Dead Space Trailers: one the ESRB doesn't want you to see. [Ars Technica]