Survive zombie invasions at night and develop your base on the day in the defense game the YORG.io. Build your headquarters and a few mines to ensure the supply of resources then build cannons and walls to defend against the zombies the first night. Then you will have to upgrade buildings in your base and expand your territory to collect more and more resources. At night the zombies will be more and more numerous, and sometimes bosses will sow chaos in your buildings. Killing your enemies will bring experience and at each level you will get a skill point. Try to survive as long as possible to achieve the highest score! YORG.io proposes online ranking, 4 difficulty modes and a special challenge mode that changes every day.