This game has been Greenlit by the Community!

The community has shown their interest in this game. Valve has reached out to this developer to start moving things toward release on Steam.

Guns N Zombies
Update is here
July 22, 2013 - krealit

Check out the fourth update on the kickstarter!
http://www.kickstarter.com/projects/715973196/gunsnzombies-apocalyptic-video-game/posts/546341