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.

Namco Bandai's X360 exclusive Tales of Vesperia combines real-time combat, captivating storylines and remarkable graphics while introducing original elements that set a new standard for role-playing gameplay and interactive storytelling.

Rockstar is bringing its open-ended crime series to the next-gen consoles with Grand Theft Auto IV, returning the franchise to New York situated around the mysterious protagonist Nikolai. Get something to eat & drink, this is a lengthy one...

Based on Dreamworks' upcoming CG-animated comedy about a lazy, irreverent slacker panda, Po (voiced by Jack Black), who must somehow become a Kung Fu Master in order to save the Valley of Peace from a villainous snow leopard, Tai Lung.

Rockstar's open-ended crime series has arrived on the next-gen consoles with Grand Theft Auto IV, returning the franchise to New York situated around the mysterious protagonist Nikolai. As predicted GTA IV has eclipsed the previous record set by GTA: San Andreas in 2004 (501k units). On launch day, Tuesday April 29, GTA IV sold 609k units in the UK, lead by the X360 version with 335K copies and the PS3 edition with 274K units.

'Built from the ground-up for next-generation consoles using Digital Illusions' bleeding-edge Frostbite game engine, Battlefield: Bad Company drops gamers behind enemy lines with a squad of renegade soldiers who risk it all on a personal quest for gold and revenge.

Q Entertainment's E4 is a unique, action-packed puzzle shooter where the goal is to self-destruct, create large chain reactions of explosions by defeating your enemies, which will ultimately extend the life of the game.

Qmotions has signed a North American licensing agreement with Microsoft, allowing it to incorporate Microsoft’s Xbox 360 wireless technology in its game controllers. The company’s first product will be the Qmotions-Big Air action game controller, a full size skateboard that operates with the X360 and is compatible with popular skateboarding games.

Warhammer: Mark of Chaos - Battle March builds upon the game's tactical foundation to offer new units for each army as well as an original campaign and new online modes. The Xbox 360 version will be a standalone game and also include the original content from Warhammer: Mark of Chaos.

1942: Joint Strike takes inspiration and influence from the 194X series of WWII-themed vertical shooters, but will stand out as its own unique entry in the series. Gameplay will resemble the classic 2-D style that gamers expect, but the game utilizes a full 3-D engine.

Valve's physics-focused puzzle game Portal has been denied access to Xbox Live Arcade according to Valve marketing director Doug Lombardi. Currently part of the Orange Box, Microsoft was approached to have Portal downloadable through XBLA but turned it down due to "size limit and all kinds of other things," although Doug did say it might be possible somewhere down the line, "I think it's a trade-off, we'll see it one day."