The app is a medieval-themed castle defense game where players train soldiers, build defenses, and fight enemy hordes. The player must defend the realm against invaders and save the king's daughter.
The app offers over 400 castles across five ages for players to strategize and aim through. Earning a Gold Crown on each castle unlocks additional levels in the Treasure Map, providing over 10 hours of gameplay.
Play a game by manually aiming a BB cannon to hit a crown. Destroy digital blocks to disable a shield. Use gaps in guards to time attacks. Upgrade 20 types of BB bullets for automatic defense. Track progress with distinct BB guns and Cannon-B.