The last footage we saw of Halo: Reach introduced us to the Forge World design tools. The latest video to come out of Bungie is a lot more straightforward, getting to the "real" Halo stuff: the campaign.

The trailer after the break, featuring an excerpt from Marty O'Donnell's score, shows everything from hand-to-hand combat to massive space battles, with plenty of armored Spartans looking very serious. You'd look very serious too if you were fighting to keep a planet invader-free. Or if you had to walk around in hundreds of pounds of armor.

This article was originally published on Joystiq.

Realtime Worlds reveals Project: MyWorld [update]