Anyone else have the new missions grayed out? All my gold and silver stars remain of my completed missions and I can play any one of them. Played through the game twice. New F missions are inaccessible tho.
Seems to be common problem read the comments..
Halo: Spartan Assault updated on Windows Phone 8 and Windows 8: brings new missions, support for devices with 512 MB of RAM and more (updated) | Windows Phone Central
I was able to access the new levels my replaying and beating the boss at level E5 again.