Desura is a digital distribution app created by the Mod DB, which allows you to buy, install and play games with one click. So if you want to play Project Zomboid and other great games like it, we recommend you give Desura a try, it is free to use and makes buying and installing games simple.Project Zomboid Alpha Windows Linux Linux64 Mac Includes free Steam key. Expect frequent updates, as you fight for survival against the zombie horde. You need 1.2gb hard disk space and 338mb download to install this game. Project Zomboid Fanboy Windows Linux Linux64 Mac Includes free Steam key. Comes with ZERO exciting special features, just smug self-satisfaction of being a hardened PZ supporter. Extra benefits *might* be shown in future... You need 1.2gb hard disk space and 338mb download to install this game.