Turn into a brave ninja who is going to take revenge for his lost friends. At first, the user will need to go through a short training that explains all the basics of control. After that, your exciting adventure will begin. Your warrior will confront a large number of enemy forces and will need to use his faithful sword to deal with them all. As you gain enough experience points, you can upgrade your armor and weapons. Be on the alert all the time as the attacks are always unexpected and fierce. Kill them all!