It's going to be a great year for the Xbox one X. It's not so much the exclusive games but rather having the best consoles version of 3rd party games.
Monster Hunter: World - January 26, 2018.
Sea of Thieves - March 20, 2018.... Cross play with PC
A way out - March 23, 2018
Far cry 5 - March 27, 2018
Red dead Redemption 2 - Spring 2018
Microsoft E3 2018 press conference
Ori and the Will of the Wisps - Summer 2018
Jurassic World Evolution - Summer 2018
State of Decay 2 - Fall 2018
Metro: Exodus - Fall 2018
Anthem - Fall 2018
Forza Horizon 4 ( Japan) - Fall 2018