As an addition to the 100+ games that are already available if you have Xbox Game Pass, Microsoft has decided to add 7 more games on August 1, 2017.
New games are: Dead Rising 3, Limbo, DiRT Rally, So Many Me, Ultratron, Metal Slug XX ja Pharaonic.
If you haven’t tried Xbox Game Pass yet, you can play free for 14 days. After that you can get the access to the games for 9.99$ per month. You can get more information about the Xbox Game Pass and where it is available from HERE.
Source: Xbox News