The app is a real-time strategy game where players battle viruses threatening the planet Music. It features Virus AI for lifelike virus movement and utilizes various Music powers.
The app challenges users to save the city by tapping to fire counter missiles at oncoming rockets. Enemy missiles vary in speed and number, requiring quick thinking to achieve a high score and track progress on the Game Center Leaderboard.
The app features 80 levels of tactical defense gameplay. Players defend a fort from enemy attacks using various cannons and secret weaponry across different historical settings.