Microsoft has marketing on a major unannounced AAA game.

[Barkley]

UltimateGamer1982 said:

It is dumb but even games microsoft has got for marketing this gen has still ended up selling better on PS4 for the most part. Which is kinda funny in a way. 

It is weird when you think of it like that, they get a deal for marketing rights, and they sell less copies.