Pirates of the Caribbean: At World's End invites players to "live and die by the sword" as they venture to the worlds of the films and beyond while playing as Captain Jack Sparrow, Will Turner and Elizabeth Swann. Disney Interactive Studios has released a 570m demo, allowing you to try the first level tutorial.

Test Drive Unlimited challenges players online to experience the most exotic and fastest vehicles on more than 1000 miles of diverse Hawaiian roads. Atari has released new downloadable content on Xbox Live Marketplace, the Test Drive Collection Volume 4 (350 points) features six new cars, as well as the Saturn Curve (free).

Ubisoft announced it will be releasing a remake of the 1989 classic Prince of Persia game on Xbox Live Arcade early summer. Lauded as THE game that started the platforming genre features the same intricate level design, exciting swordplay, puzzle solving, and storyline from the original.

The epic saga continues with Halo 3, in this third chapter of the Halo trilogy, Master Chief returns to finish the fight, bringing the epic conflict between the Covenant, the Flood, and the entire human race to a dramatic, pulse-pounding climax.

Eternal Sonata, previously known as Trusty Bell, is an next-gen RPG, taking full advantage of the X360, boasting gorgeous graphics, 3-D character models, and a groundbreaking battle system. People with international accounts can now download a 585 mb demo for Eternal Sonata off the Marketplace in Japan, with English text.

This Wednesday, team up with up to three of your friends and prepare yourselves for intense side-scrolling, sci-fi shooting action in Aegis Wing, available for free to all Xbox LIVE members in North America for a limited time beginning Wednesday, May 16, at 2 a.m. PDT.

Bomberman: Act Zero did not quite get the critical appeal Hudson had hoped for, so they went back to the old school formula and tasked Backbone Entertainment with putting the classic into a next-gen look. Currently scheduled for June, Bomberman lets you play online with up to 8 players, with monthly tournaments and content updates, customizable characters and bombs.

This Wednesday 16th May get ready for solitaire mania on Xbox Live Arcade for Xbox 360 as Soltrio Solitaire, developed by Silver Creek Entertainment, offers players a chance to shuffle through a collection of 18 compelling solitaire games.

While other FPS titles claim to feature action-packed, highly realistic gameplay, BlackSite: Area 51 takes next-gen gaming to an all-new level integrating cutting edge technology, game design and story writing to create the ultimate entertainment experience. Midway released a 580mb demo, now available on Xbox Live Marketplace.

SEGA's Universe at War: Earth Assault, developed by Petroglyph, is a combat-intensive RTS game enlisting players in an epic struggle to prevent total alien domination of planet Earth.

Microsoft Game Studios and Realtime Worlds today announced that there is still more crime to be purged and new ways to purge it with the release of both free and premium downloadable content for its open-world action title Crackdown, available for download from Xbox Live Marketplace today.

Forza Motorsport 2 features authentic simulation physics, bone-jarring damage, photo-realistic graphics, 300 of the world’s hottest cars for you to collect, and licensed tuning and plenty of customization options. As promised, Microsoft has released a 691mb playable demo for 10Turn's racing sim Forza Motorsport 2, featuring the Mugello Short track and 24 cars.

Forza Motorsport 2 features authentic simulation physics, bone-jarring damage, photo-realistic graphics, 300 of the world’s hottest cars for you to collect, and licensed tuning and plenty of customization options. 10Turn's community rep Che Chou announced the demo will be on Xbox Live Thursday at 2AM EST, featuring the Mugello Short track and 24 cars.

Tomorrow Microsoft will launch Windows Live Messenger on Xbox 360, connecting friends across X360 consoles, PCs and Windows Mobile-powered devices. With this spring update to Xbox 360, friends and families can easily connect and chat directly from their television using Windows Live Messenger.

The legendary arcade classic that introduced gamers to co-op street-brawling action is back and looking better than ever. Team up with a friend or prepare to go it alone, because Double Dragon is hitting Xbox Live Arcade Wednesday, May 9, at 9 a.m. GMT (2 a.m. PDT).

The Xbox Live Arcade library continues to expand and provide every type of gamer with accessible, pick-up-and-play game experiences. An electrifying lineup of racing games, card and board games, and both original and classic action games will be coming to Xbox Live Arcade in the future.

In an interview with eWeek, Microsoft's Entertainment and Devices Division President Robbie Bach predicted that the Xbox will become profitable during the course of 2008, "It's a business that will be profitable next year—we'll make money next year and that will be the first time, which is pretty exciting." In the subsequent years Microsoft then expect to actually make money off their console endeavor.

Empire Interactive announced that it will bring the furious excitement of the classic Speedball II: Brutal Deluxe to Xbox Live Arcade. It will include the original version, as well as a remade HD edition with more teams and downloadable content.

Shadowrun is a team-based FPS set in a world where ancient magic blends with modern weapons and advanced technology to form a revolution in multiplayer FPS gaming, allowing PC and Xbox 360 gamers to play against each other.

In honor of the 25th anniversary of Tron, Disney Interactive Studios today announced the classic arcade games Tron and Discs of Tron will be re-released this summer through Xbox LIVE Arcade for the Xbox 360.

Guitar Hero II arrives with a new track list, new venues and additional play modes – including the ability to transform the original Guitar Hero SG Controller into a rhythm, lead or bass guitar.

Experience frantic cooperative gameplay in Monster Madness: Battle for Suburbia, an Unreal Engine3 powered top-down shooter. Four players can team up on one Xbox 360 to slash, shoot, and drive through a menagerie of monsters in the campaign mode, or take battle onto Xbox Live for networked cooperative play. There is an auto update now available that takes care of some of the matchmaking issues.

A few weeks ago, both EB Games and GameStop had product listings for a PS3 version of Time Crisis 4, scheduled for Nov. 13, 2007, but it seems that it might now also be coming to the Xbox 360, with a light gun. Time Crisis 4 features larger levels, and players are able to scroll by pointing the gun at arrows located on the sides of the screen.

D3Publisher of America announced it will bring three titles to gamers through Xbox LIVE Arcade later this year. Mad Tracks, a racing game, RocketBowl, Xbox LIVE Arcade's first bowling game, and its recent PSP/NDS puzzle hit, Puzzle Quest: Challenge of the Warlords.

The TMNT movie takes place in a New York City plagued by secretive villains and strange, otherworldly creatures. The new TMNT video game uses the same dark and dangerous environments and adventurous themes featured in the new TMNT CGI film.