Aegis of Earth: Protonovus Assault is a dynamic tower defense game released for the PlayStation 4 in 2016. Players defend a post-apocalyptic city from monstrous creatures by strategically placing and managing defenses. The game incorporates real-time strategy elements and rotates the city to tackle waves of enemies from all directions. The genre is a blend of tower defense, real-time strategy, and resource management where players must balance city upgrades and defense placements to survive the onslaught.