Batman Arkham Knight - Batgirl A Matter of Family [The New Game]

(the official's page descption)

Set prior to the events of Batman™: Arkham Asylum, Batgirl: A Matter of Family will allow players to take on the role of Batgirl for the first time in the Batman: Arkham franchise. 

Batgirl: A Matter of Family will be available July 14 for fans who have purchased the Batman: Arkham Knight Season Pass and are connected to the Internet, or it can be purchased separately on July 21 for $6.99 MSRP on the PlayStation®Network and Xbox LIVE online entertainment network from Microsoft

Batman: Arkham Knight - Batgirl: A Matter of FamilyMinimum and Recommended Requirements:

CPU: Intel Core i5-750, 2.67 GHz | AMD Phenom II X4 965, 3.4 GHz
CPU Speed: Info
RAM: 6 GB
OS: Win 7 SP1, Win 8.1 (64-bit Operating System Required)
Video Card: NVIDIA GeForce GTX 660 (2 GB Memory Minimum) | AMD Radeon HD 7950 (3 GB Memory Minimum)
Free Disk Space: 45 GB

CPU: Intel Core i7-3770, 3.4 GHz | AMD FX-8350, 4.0 GHz
CPU Speed: Info
RAM: 8 GB
OS: Win 7 SP1, Win 8.1 (64-bit Operating System Required)
Video Card: NVIDIA GeForce GTX 760 - 3 GB Memory Recommended
Free Disk Space: 55 GB