Warner Bros. Interactive and Monolith Productions have just revealed that their upcoming multiplayer online battle arena fantasy video game Guardians of Middle-earth, is set to arrive on the PlayStation 3 via the PSN on December 4th and on retail stores on December 7th.

The digital versions will be available for £11.99 on PlayStation Network and for a purchase price of 1200 Microsoft Points on the XBLA 0 this autumn. No retail Xbox 360 version has been announced as of yet.

In the Tolkien-themed Guardians of Middle-earth, gamers team up as the most powerful heroes from the greatest fantasy epic of all time, bringing up to 10 players together in a competitive multiplayer online battle arena (MOBA) game.  Featuring tie-ins to the upcoming film, The Hobbit: An Unexpected Journey, the game allows players to develop and master more than 20 iconic characters. Play as Gandalf, Gollum, Legolas, Sauron and more, forming memorable and unlikely alliances with and against friends.

According to Warner Bros. Interactive post-launch, extensive downloadable content for Guardians of Middle-earth will also be available digitally, and can be purchased via Xbox LIVE Marketplace for and PlayStation Network individually or as a Season Pass.

The PS3 retail version of Guardians of Middle-earth will set you up for £24.99 and will include a pre-paid, discounted access to the digital content offered post-launch, along with PSN vouchers equal in value to the full game, plus the Season Pass of downloadable content.