Import Tuner Challenge is an authentic and extremely customizable street-racing game that challenges racers to immerse themselves in Tokyo's underground to take on the fastest street-racing teams. Players can customize and race licensed import sports cars using real tuner parts and tuning techniques. Includes real Tokyo highways and regions, all the hottest licensed import sports cars and concept vehicles and the most prized import tuner part manufacturers. More than five million customizations: Select from a vast warehouse of specialized parts to customize a car's interior, exterior and engine. Includes everything from authentic aero kits from Mazdaspeed, C-West and Veilside to racing seats from Recaro and Bride. Tune your car like a mechanic: Install custom parts with the click of a button and hit the streets wheels spinning. Players can fine-tune their parts to suit a specific race. Conquer the toughest and fastest street-racing teams: With more than 400 unique opponents with different strengths, weaknesses and custom cars, never play the same game twice. Take your ride to the Xbox Live online gaming service: See how your custom tuner stacks up in head-to-head in Versus mode – take your most extreme mods straight to the streets to dominate all who challenge. [Ubisoft]

Test Drive Unlimited is the only game that immerses you into the car and bike enthusiast lifestyle, with total freedom to race however and wherever you want within a huge, online-persistent environment. Visit the most sophisticated car and bike dealers to purchase new vehicles or simply take them for a spin. Collect and trade rare performance parts and customize each vehicle to make it one-of-a-kind. Test Drive Unlimited challenges players online to experience the most exotic and fastest vehicles on more than 1000 miles of diverse Hawaiian roads. Gamers win races, challenges, missions and tournaments to earn credits and purchase new cars, bikes, rare performance parts, clothes, apparel, homes and garages. Features more than 125 licensed vehicles from exclusive manufacturers including Lamborghini, Ducati, Aston Martin, Mercedes, Saleen, Shelby, and Jaguar; Upgrade each car or bike with options from the actual manufacturers' catalog. Players create characters, buy new homes and garages, and tune and upgrade vehicles with aftermarket parts; Extracurricular activities such as expanding your garage, getting clothes and fashion accessories for your avatar, helping hitchhikers catch planes, picking up girls, chasing car thieves, and escaping from a psychopath. [Atari]

This squad-based action title puts gamers in control of giant mechanized military weapons of war. Chromehounds offers an intense, photorealistic look at war from the cockpits of colossal metal vehicles. These heavily-armed weapons of war, called HOUNDSs, dominate ground battles during warfare in the near-future. Squads of HOUNDs take to the field in international factions, cooperating with and complementing each other in terms of firepower, range of movement, and abilities. Domination of the world is the prize for the mightiest army on the field. Strategic planning, snap reflexes and communication are key to winning the day in this battle-hardened action title. Players take the role of either a Squad Member or a Tactics Commander, who is responsible for strategically guiding the team to victory with verbal commands on Xbox Live. In addition to supporting both cooperative and competitive online modes, the game offers thousands of upgrade options, which effect both the look and performance of player mechs. Strategic gameplay puts the player in the role of 'tactics commander'; manage your squad while testing your reflexes on the battlefield. Xbox LIVE support offers cooperative and competitive campaigns for up to 12 players at once. [Sega]

In Over G Fighters, a terrorist organization threatens the world's peace and security as players take to the skies in a united world air force. Players command more than 30 of the most powerful jet fighters ever conceived and battle for air superiority in massive dogfights in the skies above Europe, Asia, Africa and North America. Players combat enemies in the air and on the ground with challenging and dangerous strike missions against well defended targets deep in the heart of hostile territory. Fly the world's most powerful fighters: Fly every modern jet fighter in the Western arsenal including the F-22A Raptor, the US air superiority fighter of the 21st century. Face more than 90 Western and former Soviet enemies and get in the cockpit of the F-15E Strike Eagle, F-16C Fighting Falcon, F/A-18C Hornet, Su-27 Flanker, MiG-29A Fulcrum, and F-117A Nighthawk. Attempt more than 80 intense missions in a modern-day global conflict: Players take the fight to the enemy in aerial battles all over the world and face massive, challenging missions with interlocking sub-missions. After successfully completing the sub-missions, players will attack the most challenging primary mission objective. [Ubisoft]

(Also known as "MotoGP 2006") With the inclusion of the new 2006 bikes, riders and tracks, for the first time ever MotoGP fans will be able to recreate the brand new season as it unfolds. MotoGP Mode: The Official game of the MotoGP Championship. Features the new 2006 season bikes, riders and tracks, as well as the full 2005 season. 17 GP tracks, including the new Shanghai, Laguna Seca, and Istanbul circuits. Extreme Mode: 17 Extreme Mode street tracks, including new Monterey Costal Highway. Redesigned Extreme mode tracks to increase speed and raceability. Online Gaming: Up to 16 riders per online race. Superb online features including Spectator Mode & Commentator Mode. [THQ]