Halo 3: ODST's amazing live action trailer didn't just happen by itself. No, it took dozens of people, hundreds of man hours and a light sprinkling of movie magic to create. Here's how.

This behind-the-scenes look at the creation of the Halo 3: ODST spot offers more than just a peek at how Brute's are made into living, breathing, tiny motor-driven things. There's also a brief live action sequence from the spot left on the cutting room floor, one that Halo fans will probably want to watch frame by frame.