Turn an entire city into a defensive weapons system in Aegis of Earth: Protonovus Assault! More than 15 types of monsters intend to destroy all life on Earth. Your city is the last sanctuary of the human race. over the course of a 15-hour campaign, improve your tactical skills and learn how to vary your strategies as you use a wide range of massive weapons throughout the city to defend against the enemy. Upgrade the city's advanced technologies as you progress through 30 unique missions. Spin the city 360 degrees to track and take out enemies attacking from different directions!