In The Valley of Gods announced

In the Valley of Gods, a new game from the creators of Firewatch has just been announced at The Game Awards. The game is currently planned for launch in 2019.
“…Valley of Gods is a single-player first-person adventure. Explore a remote and ancient valley in the Egyptian desert, uncovering treasure and treachery in pursuit of a discovery that could bring you fame and fortune—or leave you for dead, buried beneath the sands.”
https://www.youtube.com/watch?v=ceJcHUoO734