Ryan Lorence Syfargo
It probably won't be, or at least not under that name. Looks like they were forced to change the name of the game. According to their 2014 catalogue, "Terror In Meeple City" has a "*Previously known as Rampage" citation. Try looking for info on the new title and you may have better luck finding a release date.
I think you're thinking about the wrong game, he is asking about Zombie 15