Valve Acquires Campo Santo Game Studio
Campo Santo is the developer behind the cross-platform (including Linux) game Firewatch that is a first-person mystery adventure game. Campo Santo is currently developing their second title, In the Valley of Gods, for release next year and Linux support will be included. In the Valley of Gods will continue to be developed, now a Valve game. Both of these games are powered by the Unity Engine.
The announcement of Campo Santo being acquired by Valve can be found via the Campo Santo blog.