Zombie Defense 2: Episodes [unlocked]

In 2017, the North Korean govement created a secret unit to develop a new generation of biological weapons. In 2021, a prototype based on the Cordyceps fungus culture was created. He is called "black widow". Due to the violation of conditions of detention, the operation went out of control and the virus quickly spread throughout the world. In 2023, 95% of people died or became infected with a “black widow”. You are the last hope of mankind. Go to the epicenter of the infection and find a vaccine.