Features: This is a flight shooting game with simple operation, exciting shooting and intense combat; There are 30 story chapters, which tell the war story between the "Fat Bird" and "us" from a parallel world, with a gameplay duration of nearly 30 hours in story mode; In 30 3D scenes with different terrains, engage in battles with enemies using powerful firepower for more than ten types of tasks, including defense, attack, escort, search, hunting, protection, competition, rescue, pursuit, and interception; There are two game modes to choose from, storyline mode and defense mode. Enemies are randomly entered in large numbers, making each level challenging; More than 30 different types of vehicles, aircraft, warships, and over 10 different types of firepower towers. More than 10 types of bases make the gameplay interesting and diverse; Players have 3 different types of weapons, 5 different types of firepower support, 1 powerful wingman, and 1 mobile ground unit that can be mobilized to provide players with powerful firepower output; The powerful firepower output and the exhilarating firepower suppression brought by firepower support allow you to fully enjoy the fun of combat; 4 Limit Defense Missions, will be continuously updated for free.​