Microsoft today unveiled Forza Horizon, an upcoming racing video game developed by Playground Games in association with Turn 10, is heading to the Xbox 360 later this year. Developed principally by British games developer Playground Games in association with Turn 10 Studios, the game will be a part of Turn 10’s long-running Forza Motorsport franchise, but is considered more of a spin-off.

Rockstar Games has announced that the free Gorilla Warfare Pack (DLC) for Max Payne 3 is now available for download on Xbox LIVE for Xbox 360 and PlayStation Network for PlayStation 3. This free DLC pack includes three items to customize your Loadout with – the Gorilla Mask Item gives you extra adrenaline for melee kills from behind, the Lucky Coin Item gives you extra cash when looting bodies and the Booby Trap Item makes your corpse booby trapped so that it explodes when looted by another player.

Reverb and Zivix have announced that JAM Live Music Arcade, a game that gives you the freedom to become the DJ, producer and the band leader for total creative access in a live music sandbox, is now available via the Xbox LIVE Arcade and PlayStation Network. JAM Live Music Arcade is a robust musical experience of creative freedom.

Starting today, Xbox LIVE Gold members in the U.S. that are also Time Warner Cable and Bright House customers will be able to access their favorite HBO content on the Xbox 360. HBO GO on Xbox 360 includes the entire HBO catalogue of live and on demand original content – that means every episode of every show, from the latest hits like “Game of Thrones,” to older favorites like “The Sopranos.” With Kinect for Xbox 360, play, pause, and rewind through every episode of every season of the best of HBO with a wave of your hand or the sound of your voice – all FREE for HBO subscribers with an Xbox LIVE Gold membership

Infinity Ward has released two brand new Call of Duty: Modern Warfare 3 maps for absolutely free! The two free maps titled “Erosion” and “Aground” weigh in at 157.53 MB, and are both now available on the Xbox Live Marketplace for absolutely free. Elite members had their turn, now the new maps are available to all Xbox Live users for free! Download the new Free to Public “Erosion/Aground” map pack which includes “Erosion” and “Aground”, and the brand new 1v1 and 2v2 game mode, Face Off. Free to Public: Erosion – Face Off Map In Erosion you’ll make your way through Mediterranean ruins and ancient aqueducts, using leftover Roman masonry for thousand-year-old cover in this new “Face Off” map.

Raptr has revealed the newest reward you can expect in their rewards program starting tomorrow (May 17th) and it includes 1 month of Xbox Live plus 2 free Xbox Live Arcade games. Not a member?

Sonic the Hedgehog 4: Episode II is now available on Xbox LIVE for 1200 Microsoft Points ($15). The game weighs in at 414.31 MB with a free playable demo for Xbox LIVE Gold subscribers. “Sonic 4: Episode II is very special because we’ve integrated community feedback into the game,” said Haruki Satomi, Senior Vice President of Digital Business at SEGA of America.