Halo Wars - Original Trailer (HD)

This is the Original reveal trailer showcased at E3 2007 by Ensemble Studios, one of the leaders in producing RTS Games, famous for the Age of Empires series. however it will be their last game after Microsoft announced that they would be closing down the studio. Lead designer Dave Pottinger did announce on the site that there is a possibility that the staff members may set up an independent company, and that Halo Wars will still be completed.