Bungie is celebrating their 20 year anniversary. The creators of the Halo franchise have created this hour long documentary which offers an intriguing glimpse into the inner workings of the studio. Don't balk at the length of the video. If you're a Halo fan you should take the time and watch the whole thing. The original Halo was an awesome co-op experience, and each additional game has improved upon the last. The documentary covers Bungie's humble beginnings in Chicago, their rise to success as a Mac game designer, the birth of Halo, and much, much more. They cap the whole thing off with a hint of what's to come...