After sending out emails teasing the release of Call of Duty: Black Ops, Halo Wars and the BioShock trilogy via backwards compatibility on the Xbox One, Microsoft has made Halo Wars available to preview program members.
According to Microsoft's Larry Hryb, Halo Wars is available in 'Preview' to Preview Members on the Xbox One.
Xbox One Preview Members: Halo Wars will be playable in PREVIEW via Back Compat later today (under Ready To Install) pic.twitter.com/Dm8wTWkJGa
— Larry Hryb (@majornelson) March 17, 2016
Whether BioShock and Black Ops will join Halo Wars in the preview program is unknown, however Larry Hryb has commented on the previous email being 'inaccurate' and that he had recieved the same email. Hryb is 'tracking down' why the email was sent.