https://wccftech.com/xbox-games-pass-december-2018-mkx-pes-ori/

The Xbox Games Pass December 2018 games include Mortal Kombat X, PES 2019, Ori and the Blind Forest, Hellblade and more.

Microsoft already announced that Ashen, Below and Kingdom Two Crowns would be added to the gaming subscription service, but it seems that this month might very well be the month with the best value so far.