In this game, which is the 4th game of the kingdom of ninja series, try to pass the levels with 20 different difficult levels and more than one challenging enemy. Be careful, there are balls everywhere, you may not be able to complete the level at any time. watch out for monsters, they are everywhere. Kingdom of Ninja 4, ninja game, mobile game, adventure game, arcade game, 2D game, action game, challenging levels, enemies, jump, touch control, ball dodging, monster battles, 1 player, adventure, mobile gaming