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.

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.

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.

Guitar Hero: Warriors of Rock redefines music gaming with an all-new, story-driven Quest Mode, a completely redesigned rock-inspired guitar controller, the biggest on-disc selection of rock music in a Guitar Hero game and Quickplay+, which invites challenge-starved fanatics to test their rock skills. At a recent press event, we shot the breeze with Neversoft producer Randy Guillote about the finger-blistering guitar solos that await us ....

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.

Monday Night Combat is a class-based, third-person shooter ... and the most popular lethal sport of the future! It blends intense combat, finishing moves, and game show-like challenges and rewards to produce an action experience unlike any other.

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.

Step into the boots of a Spartan III, as Halo: Reach charts the story of Noble Team in their heroic stand to defend the planet Reach, its people and secrets against a ruthless assault by an alien collective known as the Covenant.

The Patrician Online is a browser-based game based on the well-known trading simulation series The Patrician. Thousands of players can experience the glory days of the Hanseatic League and build up their own trading empire. The focus of the game will be on trading goods between players and creating effective production chains.

Bringing back ferocious action on a grand scale, Killzone 3 is an explosive cinematic experience more intense than ever before. Loaded with more vehicles, explosive high powered weapons and a vicious close-combat system, resume the fight against a remorseless Helghast Army of colossal proportions.

Brink is an immersive shooter that blends single-player, co-op, and multiplayer gameplay into one seamless experience, allowing you to develop your character across all modes of play. You decide the role you want to assume in the world of Brink as you fight to save yourself and mankind's last refuge for humanity.

Warhammer 40,000: Space Marine, an action-RPG title that will put you in control of individual units throughout a narrative-driven story campaign and in wide-scale online battles.

Ratchet and Clank: All 4 One is a one-to-four player cooperative, online/offline, drop-in/drop-out title, making it easy to get together with friends and family, get in a game and have fun in the Ratchet universe.