The app defends a user's bunker with cannons and special weapons against aliens. Players can upgrade cannons, reinforce the bunker, and add attributes for defense.
Defend the by launching energy balls at enemy spaceships. Upgrade weapons and unlock new abilities. Navigate through waves of increasing difficulty. Customize ship appearance and select power-ups. Compete in leaderboards and unlock achievements.
Survive alien attacks by controlling a squadron of ships. Destroy enemy vessels in ten levels. Compete on Game Center leaderboards and earn achievements. Upgrade weapons and unlock new ships. Save mankind by completing missions and defeating bosses.
