Xbox Game Pass February update: Crackdown 3, Tomb Raider headline
As with any title in the program, you can play the full base version of these games once they are released.

As with any title in the program, you can play the full base version of these games once they are released.
In addition to the newly announced additions, Xbox also announced that the original Crackdown is free to download until the end of the month.
Future unannounced games from Microsoft Studios such as Halo, Forza, and Gears of War, will be released on the Xbox Game Pass on the same day they launch.