One of the best Zombie Apocalypse Survival games on Steam, which you can easily sink hundreds of hours into.

The gameplay is easy to learn, especially with the tutorial to give everyone the basics, but there are definitely parts of the game you can only learn by spending time playing.

Game's development has always been done with the community in mind, and the developer seems to always be open for community suggestions.

And when the base game doesn't satisfy enough, you can always look into the Steam Workshop for some community-made mods for extra content