Director Neill Blomkamp explores the lives of Marines and ODSTs on a last, desperate mission in a post-invasion Earth – a mission that may secure the salvation, or usher the destruction of the entire galaxy. Edited together as a standalone piece for the first time, these three shorts are the first glimpse at what a live-action Halo could and should look like and a must-see for Halo fans of every stripe.

Take a closer look at two of Halo 3’s coolest features. The Forge map and object editor lets you recreate Halo 3 multiplayer maps to suit your style, or cooperate with up to eight other players to build a new game experience. Saved Films let you replay your games, Campaign or Multiplayer, from any angle, with near complete control over the 3D camera and DVD-like functionality. Both features are explained clearly in this in-depth feature, with input and commentary from Bungie and the game designers.

Four incredible battle scenes from the Halo 3 Uprising comic book mini-series. There are no refunds for this item. For more information, see www.xbox.com/live/accounts.

Watch the short film, "Making of John 117 Monument", a behind-the-scenes look at the making of the Halo 3 ad. (Not Rated)

Watch the Halo 3 Ad, "Believe" Diorama. (Not Rated)

Watch the Halo 3 "Believe" ad. (Not Rated)

Debuted at the 2007 E3 Expo in Santa Monica, this exhilarating montage of moments from Halo 3 is the first public unveiling of Halo 3’s single player “Campaign” gameplay, showing off the brand new graphics engine and giving a revealing glimpse of the events that make up the epic conclusion to the Halo Trilogy. The video, produced by Bungie Studios, also features the first musical performance from Halo 3, by composer Marty O’Donnell, and dozens of never before seen views of the incredible environments, characters, vehicles and weapons that define the thrilling elements of the Halo universe. (Not Rated)

A unique collaboration between Bungie Studios, WETA and acclaimed director, Neill Blomkamp, this short feature shows the gritty and terrifying reality of a war machine that cannot afford to stop for any reason – even if that reason is the impending destruction of Earth. Watch UNSC Marines and ODSTs prepare for the Covenant onslaught, and see the machines and weapons of Halo as they’ve never been seen before. A fascinating and enigmatic look at the people, places and events that come together to illustrate the Halo universe, from a perspective that will force you to believe. (Not Rated)

Dive deep into the planning, process and personalities behind Halo 3's incredible new multiplayer game. Glimpse new levels, new techniques and new features from what's destined to be one of the most-played games of the decade, online and off. (Not Rated)

Based on the action and imagery debuted in the one-time special event Halo 3 commercial, these evocative images capture the action and drama of a moment from Halo 3's single player campaign, dramatized using Hollywood-quality computer graphics and special effects. There are no refunds for this item. For more information, see www.xbox.com/live/accounts.