THE JOKER Joins State of Survival! A new visitor will be welcomed to the Settlements. Will his arrival be a surprise for good or bad? Find out more in the event! Unlock The Joker, fight laughing zombies, and experience The Joker inspired storyline in State of Survival! It\'s been six months since the zombie apocalypse began. The virus has infected the city. Six months of terror, horror, survival, and fighting against zombies. You are a survivor and your friends are in a brave fight against monsters. Build a city that survives the constant waves of zombies. Welcome to the State of Survival. Ready for a strategy survival game!