New details have emerged about the Rise of the Tomb Raider exclusivity deal. From The Official Tomb Raider Blog:
"Square Enix today announced its latest title in the critically acclaimed and award-winning Tomb Raider series, Rise of the Tomb Raider, will be available for Steam and Windows 10 PC in early 2016. The game will be a console exclusive to Xbox One and Xbox 360 for one year after its initial launch, coming to PlayStation 4 Holiday 2016. Renowned developer Crystal Dynamics, a Square Enix studio, is leading development in the latest entry in the iconic series for additional platforms."