Undead Labs has announced "Lifeline", the second expansion on the way to State of Decay.
The "Lifeline" DLC will be heading to the Xbox 360 and PC soon. Details currently not available, but Undead Labs has teased, “it will offer you a new way to play your favorite survival game, that we intend to launch on PC and the Xbox 360 at the same time, and that yes, it will broaden your horizons by a few kilometers.”