Rock Band allows you to perform famous rock music with your friends as a virtual band using drum, bass/lead guitar and microphone peripherals, as well as online. As previously announced, Harmonix has released downloadable song packs for The Police, Metallica and Queens of the Stone Age, as well as individual songs from Creedence Clearwater Revival, Foreigner and T-Rex.

2K Sports has released a 720mb demo for its latest installment in the College Hoops basketball franchise featuring Ohio State and UNC, while THQ has issued a 910 mb demo for Rainbow Studio off-road racing game MX vs. ATV Untamed.

In Undertow you navigate the stormy seas as one of four unique, upgradeable unit types, earning points by killing enemies, completing objectives, and taking checkpoints. Undertow includes two multiplayer modes for up to 16 players, and a robust 15-level single player and co-op campaign.

NCAA March Madness 08 captures the intensity and atmosphere found in authentic college basketball arenas and your players will rise to the occasion or wilt under the pressure.

When the game is on the line and the ball is in your hands, what will you do? Will you penetrate, drive the lane and rise above the rim for a monster dunk, or find an opening on the perimeter and sink a game-winning three? Take control of the game with a full arsenal to win the 1-on-1 match-up from every spot on the floor with NBA Live 08.

TimeShift is an FPS in which players control time to complete missions and defeat foes. The game will leverage the latest graphics technology to create a unique action game experience. A little earlier than expected, the TimeShift multiplayer demo is now on Xbox Live, giving you a chance to check out the King of Time and Meltdown Madness modes.

On Tuesday November 13th from 0000-0200 PT Xbox.com and Xbox Live will be going down for server maintenance. This is for maintenance only, there will be no new features that will appear on Xbox.com, your dashboard or Xbox Live when we return to service. It’s not time for the dashboard update…yet.

Two Worlds is an RPG set in a medieval fantasy world. The 566MB demo offers a portion of Two Worlds' single-player map to explore, complete with numerous quests to solve and monsters to battle. A patch for both versions is in the works, addressing issues based on player feedback.

Nov. 15, 2002 was the official launch date of Xbox Live in North America, and next week is the service's fifth anniversary. Instead of throwing a party that only a few hundred people can attend, Microsoft decided to do all its celebrating on Xbox LIVE itself with a handful events and tons of prizes.

Microsoft's Xtival ’07 is a four day festival of gaming, competitions and exclusive downloads, bringing Xbox Live Gold membership, free to everyone for one weekend. The invitation for Xbox 360 owners to tune up and log in was thrown open to the Xbox 360 owners across Europe from Friday 23rd until Monday 26th November.

ESPN and Microsoft announced an agreement that will add full-length games, television shows and video game programming to Xbox Live, including full-length NCAA college football and basketball games, Summer X Games 13, World Series of Poker, The Contender, Madden Nation.

Team up with up to 15 other players to take on the enemy forces that have occupied the Coastal Village in a dynamic Co-Op mission or play an 8 on 8 Squad Engagement match vs. another team of highly trained soldiers. UbiSoft has released a 535mb demo, now available on Xbox Live.

GripShift combines high-flying stunt driving with unique puzzle-solving action in an all-out, pedal-to-the-metal racing experience. According to a new ESRB ratings update, Sidhe Interactive is bringing its Stunt Car Racer-esque game to Xbox Live Arcade. No tentative release date or possible publisher was revealed.

Spider-Man 3 allows players to experience the actions of heroic red-suited Spider-Man and, for the first time ever, his darker, more mysterious black-suited persona. Once you have downloaded the content (240 MS Points), you will be able to activate New Goblin from the Playable Characters option in the Upgrade Menu after defeating him in the game.

Scene It? Lights, Camera, Action brings gamers together with friends and family for a casual trivia game. Using the simple and intuitive Big Button Controller, players can challenge their friends to see whose movie knowledge reigns supreme, with real content from their favorite movies and actors.

In Half-Life 2: Ep. Two, armed with new weaponry and vehicles, Dr. Gordon Freeman must race through a countryside riddled with an increasingly fierce Combine threat. Half-Life 2: The Orange Box also includes Team Fortress 2 as a multiplayer addition, and physics-focused puzzle game Portal. Valve has released a new update for the X360 version enhancing TF2, and improving overall game performance.

THQ announced that SpongeBob SquarePants: Underpants Slam! will be one of the first titles in its portfolio of games developed specifically for Xbox Live Arcade, followed by original titles Screwjumper, Elements of Destruction and Rocket Riot.

Clive Barker's Jericho is a squad-based horror FPS devised by the master mythmaker, novelist and filmmaker Clive Barker. The Jericho Team is a seven-man strike force that protects government interests from paranormal threats.

Need for Speed ProStreet drives the series in a new direction with a ground-breaking Need for Speed experience where you’re thrust to compete head to head against the best street racers in a multitude of racing showdowns.

Guitar Hero fans will channel their inner rock god, experience new features and explosive content including a new multiplayer action-inspired battle mode, grueling boss battles, a bevy of exclusive unlockable content and authentic rock venues. Tomorrow the GH 3 demo will launch on Xbox Live, and starting Nov. 2 fans will be able to shred against Guitar Hero III developers.

Inspired by the TV series, Battlestar Galactica lets players choose their own path – be the hero and defend Galactica or join the dark side with the ruthless Cylons. In the thrilling puzzle action game, Exit, players will need to think fast to save lives as the heroic Mr. ESC. Both games will be available on XBLA this Oct. 24, 2007 at 9:00 a.m. GMT (2:00 a.m. PDT).

TF2 is a class-based, multiplayer team warfare game, delivering new game types, a signature art style powered by Valve’s next generation animation technology, persistent player statistics, and more. On Oct. 19 from 3-7 PM PDT (6-10 PM EDT), Xbox LIVE Gold subscribers will have the chance to take on Valve.

WWE SmackDown vs. Raw 2008 will let players take the fight into their own hands with the debut of Superstar Fighting Styles. The game features 8 unique styles, each having its own strategy and exclusive attributes. As promised, a playable demo is available on Xbox Live, allowing you to play an exhibition match using the RAW, SmackDown and ECW arenas, solo or two-player head-to-head.

Virtua Fighter 5 raises the bar for console fighting games including all the features fans know and love plus enhanced gameplay mechanics, additional characters and new fighting styles, as well as newly redesigned 3D environments. SEGA has released a 670 mb demo on Xbox Live for the just gone gold VF5,

Bizzare has released a 1.2GB demo for its latest racing game PGR 4, allowing you to try out an exclusive Nürburgring Snow Challenge and unique PGR Arcade Events, drivable in three exotic cars and two bikes. Sierra has released a 580mb demo for its sci-fi shooter F.E.A.R. Files: Extraction Point, which combines FEAR: Extraction Point and the new F.E.A.R.: Perseus Mandate.