Invasion: Brain Craving (Steam key/Region free).

http://store.steampowered.com/app/423710/
Congratulations! You, my friend, are one of the lucky few who were immune to the pathogen! Alas, your friends and family are now flesh-eating zombie-types, but try not to hold that against them. So, let´s see what´s behind door number 1! Zombies! Bad luck, chum! Try again!
Features:
Zombies AND JRPG Elements! What could be better?
Randomly generated world with 729 combination possibilities!
Random event seeds ensure no two play-throughs are the same!
Survive in apocalyptic wasteland! Keep your stamina high and your team-mates healthy!
Traditional side-view battle system!
Plethora of recruitable characters!
Steam Achievements!
Steam Trading Cards!

It´s the zombie-slaying survival game with JRPG elements you didn´t know you wanted!