State of Decay developer Undead Labs has revealed 'Throw Me a Lifeline', a new expansion for its Xbox 360 and PC open-world survival game.
The developer has said that, as of yet, there is no final release date, but the studio has begun the playtest process.
The expansion will feature a new map, but no further details were offered. A logo for the expansion was posted on the game's official website, as well as released on Facebook and Twitter.
"We're not yet ready to discuss features or make promises," the dev said. "All we can tell you is that it will offer you a new way to play your favourite 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 kilometres.
"Fine, I'll say it straight up: There's a new map, okay? ;)"
Undead Labs has signed a multi-year, multi-game development deal with Microsoft Studios.
"I wanted to let you know we've signed a multi-year, multi-title agreement to extend our development relationship with Microsoft Studios," explained studio founder Jeff Strain in January.
"We'll be able to share details later this year, but as with State of Decay, we think it's best if we just keep our heads down and build some prototypes before we talk too much. For now, suffice it to say there are big things going on with State of Decay."
Sate of Decay released on Xbox Live in June 2013 and hit Steam in September. Over one million copies of the game have been sold to date.