World of Ninjas Online is a fighting RPG. Send your character to a training because training makes you stronger, more powerful and invincible. Training gives you training points and having enough training points allows you to earn skill points. Let your character learn new techniques/skills to cause more damage and have more powerful kick combinations during the fight. Later you can also upgrade all techniques/skills you have learned. You can complete challenges and unlock new challenges with higher levels. You can also finish missions to get experience and earn money. Join battles, gain levels and increase your ranking.