XCOM 2: War of the Chosen is an expansion to XCOM 2, and will launch on the PC, Xbox One and PlayStation 4 starting August 29 2017.
[E3 2017] [Announcement] [Video] XCOM 2: War of the Chosen Expansion Announced
On the PC Gaming Show Stage at E3 2017, 2K Games and Firaxis Games unveiled XCOM 2: War of the Chosen, an expansion pack for the 2016 strategy game XCOM 2. Expanding the main campaign by adding three new resistance factions, each with its own Hero class, whom will aid XCOM in liberating Earth. The liberation forces will go up against new threats including 'The Chosen' and 'Spectre'. This is in addition to new features including new missions, environments and additional improvements to strategic gameplay.