Undead Labs

Undead Labs was founded in 2009 by Jeff Strain, with the sole focus on zombie based games. On February 3, 2011 Undead Labs announced that they were partnering with Microsoft Game Studios to publish their games on the Xbox 360 and now also the Xbox One.This decision was made after most of the other publishers who showed interest in the games was requesting what they described as "World of Warcraft clones".The first game State of Decay was released on the Xbox 360 on June 5, 2013 and on Microsoft Windows on November 5, 2013.The game will act as a way to publicize their title more and also allow gamers to submit feedback to help tweak and refine the gameplay for their MMO codenamed Class4 which will likely be released on Xbox One and PC.

On January 11, 2014 it was announced that Undead Labs has signed a multi-year, multi-title agreement with Microsoft Studios.Jeff Strain stated that the first State of Decay was "just the start of (Undead Labs') long-term ambitions", and spoke of many future titles potentially entering the franchise.