Bungie shocked everyone today with the announcement of Halo 3 for the XBox 360 in 2007. They also released a teaser, all of which was rendered using an XBox 360.

Bungie announces Halo 3, the third and final game in the Halo Trilogy. Halo 3 will be released for Microsoft’s Xbox 360 in 2007. The game was revealed to the world at the Microsoft press conference at Grauman’s Chinese Theater, in Hollywood, CA. By the time you read this, the announcement trailer should be available for download on bungie.net and directly to your Xbox 360, in full HD glory from Xbox Live Marketplace.