Project Zomboid was first released as a tech demo in April 2011, before releasing on Steam in November 2013. It had something of a rocky ride in those early years, with the game being leaked and, an infamous story at the time, the theft of two laptops containing a bunch of code which hadn't been backed up: Developers The Indie Stone would, rather winningly, go on to give an industry talk titled 'How (Not) To Make a Game'...
Read more.