Activision has announced that DJ Hero 2 is now available:

Delivering an all-new, unparalleled music experience with 83 original, exclusive mixes featuring the hottest artists bringing their biggest chart-topping hits – including Eminem’s “Not Afraid,” Lady Gaga’s “Just Dance,” Rihanna’s “Rude Boy,” David Guetta feat. Kid Cudi with “Memories” and B.o.B feat. Bruno Mars with “Nothin’ On You” – DJ Hero 2 will transform ordinary living rooms into the hottest nightclubs. The follow-up to the award-winning, #1 new videogame IP of 2009, DJ Hero 2 provides the ultimate way for gamers to come together with a host of new multiplayer modes that pit DJ against DJ in unique Battle Mixes, invite vocalists into the spotlight with scoring based on pitch and range detection and bring the party to life with jump-in/jump-out Party Play gameplay.

The game allows everyone to add their own touch, directly impacting the beats they’re spinning with freestyle scratching, crossfading and sampling. The game will also feature an all-new career-based Empire Mode where players start out as an up-and-coming DJ on the road to becoming the head of a major entertainment empire. The game’s soundtrack also delivers 83 tracks only available in DJ Hero 2.

Several retailers are offering DJ Hero 2 specials:

• Best Buy – Fans who pick up DJ Hero 2 at Best Buy will receive a hard-shell turntable carrying case that converts to a performance-ready DJ stand as a gift with the purchase of a DJ Hero 2 Turntable Bundle or Party Bundle.
• WalMart – Pick up a specially marked DJ Hero 2 Party Bundle on Wii or Xbox 360 and receive a copy of DJ Hero.
• Amazon – Gamers who purchase DJ Hero 2 from Amazon.com between October 17 at 12:01PM PDT and October 23 at 11:59PM PDT will also receive a copy of Linkin Park’s new album, A Thousand Suns with their copy of the game.