The developers of Zombie Panic: Source are working on a kind of sort of sequel, sticking with their mixture of sandbox and objective gameplay.
via N4G: pc news feed http://n4g.com/news/1365532/new-game-from-zombie-panic-devs-vgu-tv
via N4G: pc news feed http://n4g.com/news/1365532/new-game-from-zombie-panic-devs-vgu-tv