Firaxis has announced that the big game they've been teasing has been the new upcoming XCOM 2. The game is a pc exclusive. This will be a sequel to the XCOM: Enemy Unknown which was released in 2012. XCOM is a turn based tactical game where you build up a squad to take down the invading aliens that are coming to earth.
There will be more revealed, but so far there's the cinematic trailer with the announcement. This was revealed as part of the IGN First program and there will be more news coming.
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