A sequel to the original Xbox title, Ninja Gaiden 2 has players once again assuming the role of Ryu Hayabusa as they guide the ninja hero on a quest to avenge his clan and prevent the destruction of the human race.

Ninja Gaiden 2 has players once again assuming the role of Ryu Hayabusa as they guide the ninja hero on a quest to avenge his clan and prevent the destruction of the human race. A demo is available on Xbox Live, except for North America and Canada, allowing you to try out about 30 mins of game, trying six different weapons, at the Acolyte difficulty setting.

TiQal is a new puzzle game where players demolish enemy block walls by matching squares of the same color and building them up to unleash combo points and power-ups.

NASCAR 09 will offer an authentic stock car driving experience for racing fans of all ages. Legendary NASCAR driver #24 Jeff Gordon will work you through an all-new interactive 3D menu interface, the game’s major features and advise you throughout your career. This demo lets you experience the New Sprint Driver Challenge or take on NASCAR's biggest stars at two of the game's 22 tracks.

YUKE'S announced that its new title Double D Dodgeball has received certification to release on Xbox Live Arcade, featuring a unique look and environment combined with intuitive controls and intense gameplay that fans of the classic playground sport will appreciate.

Originally scheduled for release in 2004, CDV dropped the game, which resulted in developer UDS shutting down. It was acquired by Swedish Daydream Software and picked up by Playlogic International, but never released. ZOINK and SnapDragon Games have revived the project to bring the redesigned action platformer to the Wii, with added features and a visual overhaul.

Even if trivia isn�t your thing, the first trivia and party game to hit Xbox Live Arcade is one in which players can win by making educated guesses, playing the odds or just knowing the interests of other players, whether they are local or online. Break out the Big Button Pad controllers or play couch vs. couch for a trivia party extravaganza.

Atlus' Operation Darkness is an epic fantasy WWII turn-based strategy game from Metal Saga developers Success. Set during WW2 you are part of an special ops team tasked with tracking down Hitler, featuring multiple scenarios, mixing historical events with fiction.

Xbox Live GM Marc Whitten revealed to Next-Gen that Microsoft is going to give its Xbox Live Arcade service a makeover by "delisting" unpopular XBLA titles (6+ months old, less than 6% sell through, less than 65% score average). On top of the recent size limit hike, Microsoft will also tackle the DRM issue (couldn't move over purchased titles when the X360 died) by releasing a tool that will let people consolidate their titles to a new unit. Last, but not least, the software giant will also start up a first-party studio that will solely develop Xbox Live Arcade titles. Unfortunately, this means there will be no Spring dashboard update.

Treasure Co.'s Ikaruga is a quick-paced Xbox Live Arcade shooter with strong strategy elements featuring a slow-motion training mode and co-op play for two, combining of beautiful, manga-style storytelling and refined, ultra-challenging arcade heroics.

Asterix at the Olympic Games follows Asterix, Obelix and their devoted druid Getafix as they travel to Olympia to help their love-sick friend Lovestorix win the heart of the Grecian Princess Irina and stop mighty Brutus from destroying the world. Success at the games is the only guarantee of putting an end to Brutus’ evil ways.

Xbox Live Arcade's worldwide games portfolio planner David Edery revealed that Microsoft is planning on raising the limit for XBLA titles to 350mb, saying "We've been listening to our partners, listening to our customers to try and get a feel for what's right. We don't want the size limit to hit the roof because we think there's some value in promoting small pick and play experiences that don't cost USD 20 million, it's good for the ecosystem."

Don King Presents: Prizefighter is a documentary-style boxing game, developed by Rocky: Legends' Venom Games, featuring a documentary-style narrative career mode, training, and will require you to also manage personal relationships outside of the ring.

Army of Two will throw gamers into hot spots ripped from current day headlines where they will utilize unique TWO man strategies and tactics while seamlessly transitioning between playing with intelligent Partner AI (PAI) and a live player.

Poker Smash is an action packed puzzler with a poker twist where players rush to clear rows of cards by arranging them into poker hands. To keep things interesting Poker Smash offers card-blasting bombs and a super slow-motion trigger for players caught in a bind.

GRID takes players to locations over three continents to compete in a variety of racing events. Packed with the most powerful racecars - new and classic, circuit and drift - players will compete in urban street races, as well as conquer official racetracks and championships.

Dragon Ball Z: Burst Limit is Namco Bandai's next title in the DBZ franchise. Burst Limit will be similar to the DBZ: Budokai Tenkaichi series (published by Atari in Europe and North America) and have online multiplayer, be cut-scene driven and support 16/9. Play through two battles from the Saiyan Saga in this demo.

Microsoft announced that the Xbox 360 is the first current-generation gaming console to break the 10 million mark in the U.S., making it reach 19M worldwide, with a total of 12 million Xbox Live members.

Check out the following new screens and trailers from Microsoft's Gamers Day 2008 lineup:

• 'Gears of War 2' (X360) - Facts, Features & Screens
• ''Penny Arcade Adventures: Ep. 1' (X360/PC) Gets Release Date - Screens
• 'Fable 2' (X360) Coming This Holiday - 14 New Screens & Trailer
• 'Too Human' (X360) Coming in August - 20 New Screens & Trailer
• 'Viva Piñata: Trouble In Paradise' (X360) Announced - Facts, Features, Screens & Trailer
• 'Banjo-Kazooie: Nuts & Bolts' (X360) Announced - Facts, Features, Screens & Trailer
• 'Ninja Gaiden II' (X360) - 15 New Screens & Trailer

In a few weeks the railway adventure game, Ticket to Ride, pulls into Xbox Live Arcade. Based on the internationally renowned board game, Ticket to Ride features simple rules, fast play and is expected to be a great offering for the growing casual games market.

Re-imagined for an even more intense arcade shooter experience, Assault Heroes 2 expands its horizons into outer space, featuring hijackable enemy vehicles, many more levels and an enhanced co-operative gameplay mode.

Based on the popular cartoon series of the 1960s, Rocky and Bullwinkle on Xbox Live Arcade is a fast and fun party experience packed with more than 100 micro games. Eight playable characters from Frostbite Falls are back in the living room, including Rocky, Bullwinkle, Boris, Natasha, Dudley Do-Right and many more.

WARASHI Inc's upgraded vertical scrolling shooter Triggerheart Exelica is a unique spin on a classic shooter, players can capture enemies with anchors and fling them away

Wits & Wagers is the trivia party game where you don’t need to know the right answers to win, bringing an inventive and accessible party experience to Xbox Live Arcade this Wed., May 7, 2008 at 9:00 a.m. GMT (1:00 a.m. PDT).

The Bourne Conspiracy is a 3rd person espionage action game where players move from fistfights to firefights to experience sequences that seamlessly blend Bourne's signature hand-to-hand combat with intense shooting and the ability to escape and evade deadly situations. A 1.2Gb demo is now available on Xbox Live, later this week on PSN, and next week in Europe.