Does MS have an IP that on level with Gears or Halo that we don't know about?

[EspadaGrim]

Vasto said:
Lionhead also has new IP in the works.

http://www.dualshockers.com/2014/01/21/lionhead-studios-confirms-development-of-new-non-fable-ip-were-working-on-other-different-sorts-of-games/

I hope that they are making a serious game .