Play as a skilled ninja in an entertaining fighting IO game called Ninjar.io! You will compete against plenty of opponent ninjas in a huge arena. Try to move around the map carefully to eat sushi on the ground, which helps grow your power, speed, and health. Pick up ninja stars then throw them at your rivals to wipe them out instantly. Make sure you level up frequently so you can deal more damage to the enemies easily. Your goal is to become the best ninja of all!