A listing for an Activision shooter called The Red Door recently arrived on the store with no fanfare or announcement from the publisher, accompanied by only a brief and enigmatic description, below. 

"There is more than one truth. If you go looking for answers, be ready to question everything and accept that nothing will ever be the same. The Red Door awaits, do you dare step through it?"

https://www.pcgamer.com/the-red-door-reportedly-call-of-duty-2020-is-on-the-microsoft-store/