The "Summer of Arcade" has ended with this week's release of Lara Croft and the Guardian of Light, Microsoft has revealed what XBL members can expect to see on the Marketplace in August.

Rift: Planes of Telara is a graphically stunning online game is set in a world being torn apart by dimensional “rifts” that tear into the land of Telara, releasing powerful forces that threaten the very existence of the entire universe.

MAG may be massive but it is an action shooter at its core. You can run around and shoot enemies, throw grenades, and drive vehicles just like any other shooter except with MAG you’ll do it with up to 256 players.

Sword of the Stars II is a full stand-alone follow-up to the space strategy titles and will feature the six races from the original game, as well as its expansions, marking a major step forward in the series’ approach to 4X gameplay.

In Golfstar, a golf MMOG with impressive graphics, a staggering 30 players can form a group to play a round on one of the game's six courses. And the best part: you don't have to wait for the other guy to finish his turn.

WWE SmackDown vs. Raw 2011 will return to action with destiny-defining moments, best-in-class creation tools and the ability for players to have ultimate control of the WWE experience.

The Battle of Giants brand offers young players the thrill of controlling a giant creature and fighting against other creatures for survival, immersing them in a cataclysmic Jurassic world.

Michael Jackson: The Experience will provide an interactive experience for the entire family that enables players to step into the shoes of Michael Jackson and re-live his most iconic performances through their own singing and dancing.

Beyblade: Metal Fusion features a complete game-specific story with the original characters from the show. Players find themselves in the midst of a disappearance of the world’s most powerful Beybladers. Sucked into a giant fortress, players must battle robot bladers and discover the mystery behind the abduction.

TERA: The Exiled Realm of Arborea is a massively multiplayer online role-playing game where you battle epic wars and protect your kingdom from demise. TERA is developed to bring you thrills never experienced before in traditional MMOs with its action-filled gameplay and riveting visuals.

Portal 2 is a stand-alone, full-price retail release with new gameplay mechanics, story line, and some surprising new twists. Having been delayed earlier this year, GameInformer revealed that Portal 2 is now scheduled for February 9, 2011.

In Fable III you will be called upon to rally and fight alongside your people, ascend to the seat of power, and experience the true meaning of love and loss.

The Lord of the Rings Online allows players to forge heroic legacies in the War for Middle-Earth, experience an evolving persistent recreation of Tolkien's fantasy realm where you can establish unique reputations, discover and wield legendary weapons in strategic battles, while adventuring solo or in Fellowships.

From Dust is set in an extreme version of Planet Earth where nature unleashes her power in a much more violent way than what we are used to. Tsunamis, earthquakes, floods, wildfires, volcanic eruptions are what the days are made of for the people of Dust. In this kind of God game, users will play with powers to manipulate the world around them.

In The Amazing Race, players can participate in one of the most exciting reality games ever and compete against friends to win the ultimate challenge.

Gran Turismo 5 promises 1000 vehicles, 20 tracks in 60 different layouts, custom soundtrack support, and while there is a damage model, it will be limited to certain car manufacturers.

Inspired by real events, Medal of Honor is an all-new FPS game that will introduce the Tier 1 Operator, a relatively unknown entity directly under the National Command Authority who takes on missions no one else can handle.

In The Sims 3 for console and handheld, players will be able to create Sims with unique personalities, fulfill their desires…or not, and control their lives within a living neighborhood.

Based on one of the most widely-recognized manga and anime series of all time, "Hokuto no Ken" or "Fist of the North Star" takes place in the manga's post-apocalyptic world where the remaining survivors of a nuclear holocaust roam the wasteland in an ongoing struggle against marauding tribes for food and water.

Sonic Colors is a brand new high speed action adventure in which Sonic the Hedgehog races through incredible theme park inspired worlds to rescue a colorful alien race from the clutches of Dr Eggman.