Details of the tactical uses for eight available weapons: The Flame, Frag, Plasma, and Spike Grenades, the Chaingun Turret, Flamethrower, Plasma Turret, and Missile Pod. Expert voiceover and strategy. There are no refunds for this item. For more information, see www.xbox.com/live/accounts.

An array of tactical advice and tips for escaping the streets of New Mombasa, navigating the remains of the highway, and taking a final stand. Expert voiceover and strategy. There are no refunds for this item. For more information, see www.xbox.com/live/accounts.

Details of the tactical uses for eight available weapons: The Needler, Plasma Pistol, Rocket Launcher, Shotgun, Silenced SMG, Sniper Rifle, Spartan Laser, and Spiker. There are no refunds for this item. For more information, see www.xbox.com/live/accounts.

A series of tactical plans designed to maximize the takedown potential of specific enemies; in this case the many variants of the ultra-violent, cunning alien race known as Brutes. Takedowns for each Brute type are provided. There are no refunds for this item. For more information, see www.xbox.com/live/accounts.

An array of tactical advice and tips for finishing Mickey's Scorpion prowl around town with a degree of impressive competence. Includes expert author voiceover and strategy. There are no refunds for this item. For more information, see www.xbox.com/live/accounts.

An array of tactical advice and tips for adeptly infiltrating the ONI Alpha building, and locating the Pelican escape atop the structure. Includes expert author voiceover and strategy. There are no refunds for this item. For more information, see www.xbox.com/live/accounts.

An array of tactical advice and tips for surviving Buck's assault on Tayari Plaza, complete with expert voiceover and complete strategy. There are no refunds for this item. For more information, see www.xbox.com/live/accounts.

An array of tactical advice and tips for completing Dutch's sortie into the remains of a zoo reserve parkland locale, complete with expert voiceover and strategy. There are no refunds for this item. For more information, see www.xbox.com/live/accounts.

A Tour of the Firefight Map called Lost Platoon. Plans for holding the central building and effectively dealing with Covenant Phantom drops are shown, including Wraith takedowns. Expert voiceover and strategy. There are no refunds for this item. For more information, see www.xbox.com/live/accounts.

New Campaign. New Hero. New Tactics. Drop into Covenant controlled New Mombasa and get an early look at some Halo 3: ODST gameplay. Available September 22, 2009, Halo 3: ODST presents players with a new and engaging storyline from the perspective of an Orbital Drop Shock Trooper and introduces the all new cooperative game mode, Firefight.