Hero Castle War: Tower Attack is an Android game developed by OVIVO Games under the role-playing subcategory. In the game, you play as Hiro, a legendary ninja on a mission to rescue his daughter Hana from the vampire king Dakura. The game is set in a secret ninja village where Hiro trained with his master Daiki and his daughter. The game features evil villains such as vampires, skeletons, werewolves, spiders, and dragons.

The game has a unique feature where you can absorb enemy powers with secret ninja skills. You can also transform into a higher form of a ninja when you have enough power. The game is free to play and an exciting adventure for all ninja fans. Join Hiro and help him rescue his beloved daughter from the clutches of the evil vampire king Dakura.