Hero Castle War: Tower Attack is an iPhone game developed by Genix Lab Company Limited. The game follows the story of Hiro, a legendary ninja trained by master Daiki and his daughter Hana. The game is set in a secret ninja village where Hiro and Hana live. One day, the vampire king Dakura finds out about the village and takes Hana, leaving his army of corrupted ninjas, giants, dragons, and witches to guard her. Hiro sets out to rescue Hana with the help of the players.

The game is a tower attack game where the players have to reach the highest tower to rescue Hana. The game features secret ninja skills that can absorb enemy powers, and players can transform into higher forms of a ninja when they have enough power. The game has a variety of evil villains, including vampires, skeletons, werewolves, spiders, and dragons.

Overall, Hero Castle War: Tower Attack is an exciting game that offers a thrilling ninja rescue mission. The game is free to download and play, making it accessible to all iPhone users who love tower attack games.