Rocksteady confirmed that Batman: Arkham City will be a GOTY Edition, which will include movie download Batman: Year One , the DLC Catwoman, Nightwing, Robin , Arkham Challanges Pack Skin Pack, and the final chapter of the story — the revenge of Harley Quinn , thus confirming earlier rumors about a new DLC coming soon.

For those who already own the game, the latter will be available on Marketplace expansion by 30 may . The GOTY Edition arrives in u.s. stores on 29 may, while European players will instead wait until September 7 to buy. The following are official release, first images, including the cover of the Goty Edition, and a trailer that show us the contents of this edition.

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WARNER BROS. INTERACTIVE ENTERTAINMENT ANNOUNCES

BATMAN: ARKHAM CITY "GAME OF THE YEAR EDITION

The expanded version of the award-winning game includes a new mission, all previously released DLC

Milan, 23 April 2012 – Warner Bros. Interactive Entertainment and DC Entertainment today announced Batman: Arkham City ™ Game of the Year Edition .  This rich version of the award-winning video game developed by Rocksteady Studios will arrive in North America America on 29 May and in Europe, Australia and other territories in September for the Xbox 360 ® video game and entertainment system from Microsoft and PlayStation ® 3 computer entertainment system.  The Windows PC version will be available worldwide in September.

Batman: Arkham City is one of the titles with the highest score received in review in 2011 and with the release of Batman: Arkham City " Game of the Year Edition , fans will be able to extend the experience of the Dark Knight with Harley Quinn's Revenge , the final chapter of Batman: Arkham City that will add more than two hours of fresh gameplay to the original. This version of the game includes also all five previous DLC already published.

Fans already own an original copy of the game Batman: Arkham City will be able to download the Harley Quinn's Revenge Pack which will be available worldwide starting on 30 may on PlayStation ® Network and Xbox LIVE ® Marketplace for the Xbox 360.

The mission Harley Quinn's Revenge brings players to Arkham City to face the final showdown using both Batman Robin. To fight and discover the shady Harley plans and close the gates of the mega prison forever. In addition to a new storyline fans can explore new environments and tackle new minions of Harley.

The DLC included in the game are Catwoman Pack , Bundle Pack Nightwing , Robin Bundle Pack, Challenge Map Pack and Arkham City Skins Pack.

Batman: Arkham City Game of the Year Edition includes new content, gameplay level seven maps, three playable characters and 12 skin compared to original release.

-Maps   Wayne Manor, Main Hall, Freight Train, Black Mask, The Joker's Carnival, Iceberg Long and Batcave
-Playable characters: Catwoman, Robin and Nightwing
-Skins: 1970s Batsuit, Batman Year One, The Dark Knight Returns, Earth One Batman, Batman, Batman Beyond Animated Batman Sinestro Corps Batman Long Halloween Catwoman Catwoman, Animated, Animated, Red Robin Robin and Nightwing Animated