While the two leads should be unlikeable, the dialogue is worth the experience alone if you're not put off by South Park/Family Guy humour. Be advised that this is story-driven, so lots of periods of inactivity for the player.
The world has gone to ruin and you've run out of food. Time to get some help in Scheming Through The Zombie Apocalypse: The Beginning.
Zombie Driver: Immortal Edition brings a blood-fest of vehicular mayhem that's best played in a casual style.
Shambling by or rising to the challenge?
Although not perfect, They Are Billions is a solid RTS that brings a fresh take on the genre.
DayZ is truly one of a kind experience, but it is also a game which will require quite few patches before it is truly enjoyable, and worth its steep asking price – or you know, one big one.
Why try and survive a zombie apocalypse, when you can just control one.
Another zombie defense game!
When the world ends, your life begins.