Bungie, the developers behind the highly acclaimed first person shooter series ‘Halo’ has released a video documentary for their upcoming smash hit Halo: Rech. Entitled ‘Once More Unto the Breach,’ the documentary shows various developers from Bungie working on Halo: Reach discussing the evolution of the Halo series. The video contains in-game footage for the game. Bungie will officially launch the beta for Reach on May 3, 2010 exclusively for Halo: ODST owners. The game is scheduled for release in fall 2010.