1.Players can choose to be either a Ninja or a Samurai. (Samurai cannot use mobility or ninjutsu, but they have strong bodies and tough recovery medicine. The Ninja are weak in body, but they use their mobility and ninjutsu to play tricks on their enemies.) 2.A maximum of 20 players can play. 3.You are the only ally. 4.Players continue to fight until they are the last man standing.