Guns'N'Zombies: N'Aliens (2015)

An artificial nano-virus has wiped out humanity almost completely turning all humans into a mob of deadly mutilated zombies. Only a few people managed to survive and you are one of them! This is the world after a zombie apocalypse in which the main characters have to go through many perils. It is a story about ordinary people who, when faced with danger, decided not to run away from it, but to fight back. As the story goes along, you will learn what caused the disaster and help other survivors to overcome its aftermath. You will discover how this event has affected the world But can you reverse the outcome of the catastrophe and give the new world a chance to arise on the ruins of the old one?