Sierra Online has released 3D Ultra Minigolf Adventures: Lost Island Expansion, featurings 18 additional holes set in a tropical Lost Island paradise.

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, the Test Drive Collection Volume 5 (350 points), on the Xbox Live Marketplace. Volume 5 features five new cars and the Holden Efijy Concept motorbike (free).

MotoGP ’07 is the next evolution in the definitive motorcycle racing franchise, featuring the complete 2007 MotoGP season and an improved 'race day' experience that captures the excitement and spectacle of a live MotoGP event. THQ has released a 900mb demo on Xbox Live Marketplace...

Xbox LIVE and Warner Bros. Home Entertainment are bringing Comic-Con 2007 Home to all Xbox 360 owners. To enjoy the show, gamers can connect to the Xbox LIVE online entertainment network and bring everyone together in the living room to enjoy Comic-Con 2007.

As the new rookie driver on the circuit, develop your racing skills to gain licenses and contracts from hungry owners and unlock legendary top performing cars from NASCAR's biggest stars. All-Pro Football 2K8 hits the gridiron with the legendary gameplay, innovative features, and hundreds of legends combined with an attribute system showcasing the well-known, signature abilities of each football star.

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. Reprise your role as either Bill Rizer or Lance Bean in this follow-up to the arcade classic Contra, which made waves in arcades everywhere in 1987. Both titles are coming to Xbox Live Arcade Wed., July 25.

Previously Sierra released a new title update with new game types as well as the first of 3 map packs. Today the Synchronicity Pack is available on Xbox Live Marketplace for 550 points, adding five new multiplayer maps, 3 Capture the Flag and Conquer All ones (Dead Wood, Labs, Depot) and two Deathmatch or Control maps (Waterworks and Stockpile).

Dynasty Warriors: GUNDAM brings the fast-paced action-filled gameplay experience of Dynasty Warriors to the futuristic battlegrounds of the rich Gundam universe. After it appeared on the PSNetwork last month, Namco Bandai now also put the demo on Xbox Live Marketplace, where you, as Heero Yuy, must try to stop what seems to be a mysterious planet that is veering towards Earth.

Mafia hitman Jackie Estacado is part of the Franchetti crime family helmed by vicious cousin Paulie. On the eve of his 21st birthday, Jackie is suddenly possessed by the terrifying and spectacular powers of the Darkness. 2K Games has released a demo on Xbox LIVE Marketplace allowing you to try 3 early levels, the Tunnel, Cemetery and Grinders Lane.

Juiced 2: Hot Import Nights features unparalleled vehicle customization, an adrenaline packed drift racing experience and ultra-realistic Driver DNA. THQ has released a whopping 1.3Gb demo on Xbox Live for its racing game.

GEON: emotions is a psychedelic, pick-up-and-play game of rapidly changing tactics. Playing as one of eight emotions – Rage, Passion, Fear, Envy, Rapture, Courage, Bliss or Melancholy – players must race to collect pellets and score goals, using power-ups and their ‘emotional’ strengths and weaknesses.

Void Star Creations' Poker Smash is a fast paced puzzle game featuring 13 original soundtracks and next-gen 3D grahpics. Innovative gameplay allows players to experience six unique game modes including action, puzzle, practice, theme playlist, split screen head-to-head and multiplayer tournaments.

Microsoft has released the summer backwards compatibility update, adding 61, and 4 updated ones, original Xbox games that you will be able to play on your X360. At the time of writing it is not yet available on Xbox Live, so you need to download it here, and burn it to DVD. Titles of note are WE 8, PGR 1/2, Outrun, Full Spectrum Warrior, DOOM 3, America's Army and plenty more...

Two additional games will become available this Xbox LIVE Arcade Wednesday: Bomberman Live, mixing social gaming excitement with high definition graphics, and Yie Ar Kung Fu, a classic fighting game with enhanced graphics, hand painted backgrounds and new achievements.

Stuntman: Ignition challenges players to drive for perfection, dropping them into the adrenaline-fueled role of a Hollywood stuntman, vying to create the most insane high-flying jumps, mind-blowing corkscrews and metal-twisting crashes ever filmed. THQ has released a 640 mb demo on Xbox Live Marketplace.

Ace Combat 6: Fires of Liberation will let players experience Ace Combat on a massive worldwide scale as it features an in-depth multi-player online experience that includes a variety of action-packed online modes. Namco Bandai has released a demo for Ace combat 6, one mission defending Gracemeriain a F-16C Fighting Falcon.

Revealed months ago, Ubisoft officially announced it will be releasing Third Wave Games's War World on Xbox LIVE Arcade, a fast-paced third-person shooter that combines a unique blend of heart-pumping action and tactical gameplay, introducing an entirely new genre to Xbox LIVE Arcade.

A few years back Vivendi made a weak attempt at releasing a Die Hard game, and more recently a few flash based games were available on the web to coincide with Bruce Willis' latest oeuvre. Now it seems the ESRB has updated its listing with an upcoming T rated Xbox 360 game based on the 4th die Hard movie, developed by Sensory Sweep Studios, who recently did the XBLA version of Street Fighter 2. More details to follow soon ...

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.

Promised a few weeks ago Team17 has released more downloadable content for the Xbox Live Arcade edition of its turn-based strategy game, Worms. Available on XBL Marketplace is a new music pack (free) to enhance your audio experience, some theme packs, but more importantly 2 new landscapes (150 Points)

Last week Sierra released two new game types called Control and Conquer All in F.E.A.R.’s first title-update on Xbox Live Marketplace, promising three new map packs in the near future. Keeping to that promise, FEAR Nightmare Pack is now available on Xbox Live for 500 Microsoft Points, adding 4 new maps (Conquer All, CTF, Deathmatch and Control).

For the second year running, Xbox 360 fans can experience the E3 Media & Business Summit in HD from the comfort of their own homes. Microsoft is bringing E3 home through its second annual E3: Bringing It Home, offering downloads on Xbox LIVE Marketplace of the hottest content from the show.

Atari announced the launch of Missile Command onto Xbox LIVE Arcade. With Missile Command on Xbox LIVE Arcade, Atari delivers the same gaming sights, sounds and action as the original, as well as a new evolved version of the game which features enhanced graphics, sounds and special effects.

Mad Tracks is an action-packed toy-car racing game, with toy cars powered by spring engines. The Encore Expansion Pack (350 Microsoft Points) offers 9 additional races and 6 mini games where players bolt down looped Victorian stairs, barrel across the skyline on rooftops, and speed over rickety wooden ramps in a German castle.

Not to be outdone by the recent Red Edition, Ubisoft has released the Player's Pack Black Edition, an all-new downloadable content package (800 Microsoft points/$10) coming up for the X360 edition of Rainbow Six Vegas, adding five more playable multiplayer maps; 3 new maps like Red Lotus and Wartown, a reduxed version of Streets, and a remake of the Rainbow Six 3 classic, PRESIDIO map.