The Doritos brand is partnering with Xbox 360 challenging people in the United States to design the first-ever consumer-created Xbox LIVE Arcade video game. Five finalists will get to work side-by-side with Xbox LIVE Arcade development teams to build playable versions of their game concept, and win a prize package, valued at over $6,000.

World in Conflict is a strategy game that delivers intense action and coordinated team play amidst the war the world feared most – an apocalyptic showdown between the Soviet Union and the United States, with completely destructible 3D battlefields, aggressive team-based multiplayer action and a focus on fast, hard-hitting battles.

Legacy is an epic game of Starfleet combat covering the entire Star Trek Universe. Players become the Admiral of a task force of warships and must lead their fleet to victory in large-scale battles.

Experience the sights and sounds of Beautiful Katamari as the Prince takes on a new high-rolling adventure, with his famous cousins in tow, to save the Katamari universe after the King of All Cosmos has a very un-royal and unfortunate accident.

This Wednesday XBLA sees the arrival of the tactical, insect-infested combat game Band of Bugs, from Wednesday 20th June at 09.00 GMT. Don’t let their tiny size fool you, because these bugs are armed to the teeth, ready to take your orders and spring into action.

WarTech Senko no Ronde thrusts the player into a distant future where humanity has colonized countless new galaxies and Earth has become a planet mined for its natural resources. A violent war has erupted as nations struggle for world domination.

Talismoon's Tiltboard is an intelligent piece of kit and comes pre-loaded with TiltTune technology, giving gamers the option to adjust the tilt sensitivity, adjust the 0 degree in order to hold the controller at the most comfortable angle, invert the Y axis and turn the tilt function on and off.

Project Sylpheed is a 3-D makeover of the classic, mid-'80s scrolling shooter franchise Silpheed launching players through an exhilarating space combat experience driven by a deep, multi-layered storyline. A 613 mb demo is now available on Xbox Live...

Catan is a video game adaptation of the board game, putting players in the role of colonists on a newly discovered island, where they vie for control of valuable territory and resources through strategy and trading. Big Huge Games has released a Generals expansion pack (200 MS Points), adding historical personalities such as Joan of Arc, Hannibal, Tokugawa and more.

Empire Interactive announced that it will bring the furious excitement of the classic Speedball II: Brutal Deluxe to Xbox LIVE Arcade, with the addition of an all-new High Definition version, more teams and downloadable content.

Tetris Evolution will allow players to take advantage of Xbox 360's high-definition capabilities with intense graphics that make the Tetriminos appear to pop off the screen and more than a dozen high-definition background videos. The game will also feature customizable themes, skins, icons and soundtracks to create a personalized gaming experience.

Microsoft announced it will release Ubisoft's remake of the 1989 classic Prince of Persia game on Xbox Live Arcade this Wednesday, June 13. Lauded as THE game that started the platforming genre features the same intricate level design, exciting swordplay, puzzle solving, and storyline from the original.

BioShock is a revolution in the shooter genre that will forever change the expectations for the FPS. Going beyond run and gun corridors, monster-closet AIs and static worlds, BioShock creates a living, unique and unpredictable FPS experience. BioShock is the Shooter 2.0.

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.

Overlord is an original next-generation title from Age of Wonders developer Triumph Studios. A groundbreaking action adventure, Overlord is set in a seriously warped fantasy world where players can be evil (or really evil). A 890mb demo is now available on Xbox Live, while a 1.2Gb PC demo is expected next week.

Firefly's Dungeon Hero, previously just called Hero, is an action RPG using a dazzling new HD engine, allowing the player to storm heroically through underground halls while taking in the detail and complexity of a world previously unseen.

Double happiness today, as Microsoft released two X360 demos. FASA's Shadowrun demo (1Gb) lets you try 3 training levels, one multiplayer map (Power Station) online or against bots. K2's Tenchu Z demo (640mb) features a single player mission and pre-selected ninja accessories from the full game.

Ten years after its original release Lara returns, using an enhanced Tomb Raider: Legend engine and offering a completely new gameplay experience. Curiously missing when the Anniversary edition was originally announced, it seems Lara's remake might be making an episodic Xbox Live appearance as the ESRB reveals approval for 5 versions , each corresponding with a level in the actual game (Croft Manor, Egypt, Greece, Lost City, and Peru). No Eidos official could be reached for comment.

Left 4 Dead, developed by Counter-Strike makers Turtle Rock Studios, is a co-op multiplayer action game, using the Source Engine, and also introducing Turtle Rock's v2.0 A.I. technology. In a recent interview, Turtle Rock president Michael Booth revealed it is bringing Left 4 Dead to the X360, although no timeframe was provided.

World in Conflict is a strategy game that delivers intense action and team play amidst the war the world feared most – an apocalyptic showdown between the Soviet Union and the US, with completely destructible battlefields, team-based multiplayer and a focus on fast, hard-hitting battles. According to a 2-page article in the latest GamePro magazine, WiC is also coming to the Xbox 360, scheduled for Q4, although no further confirmation could be obtained.

Wing Commander Arena is a fast-paced arcade-styled space combat game where gamers can team up with 16 players online to attack other teams of ships. Propel your customized ship through space, fire torpedoes and unleash deadly gravity bombs as they try to climb the leader board.

Activision is calling players back to the trenches with the release of new Call of Duty 3 multiplayer maps, available only on X360. The Bravo Map Pack features 2 classic maps and new 3 battlefields for players to test their skill, now available for purchase (800 Microsoft Points) on Xbox LIVE Marketplace

Hour of Victory allows you to play a key role in the pivotal and cinematic battles from the European and North African theaters of World War II, using the skills and gameplay style you choose. As promised Midway has released a single-player teaser demo (940mb) allowing you to try out the rugged North African level as one of 3 characters.

Mad Tracks is an action-packed toy-car racing game, with toy cars powered by spring engines. Races are set in everyday places, like toy stores, mini-golf parks, and restaurants. Mad Tracks will be available for download on Xbox LIVE Arcade beginning Wed., May 30, at 9:00 a.m. GMT (2:00 a.m. Pacific Time).

MGS4: Guns of the Patriots marks the next-gen debut of Hideo Kojima's tactical espionage action series with new gameplay features, spectacular graphics and the return of several characters from the series. Swedish print magazine Super Play claims to have received confirmation from Konami revealing MGS 4 is coming to X360. Scheduled for late 2008, it will include extra material such as VR missions and other bonus features.