Ninja Maze Under is a game with 20 deferent levels where you have to find the keys for each level to unlock the next . Each level is unique full of enemies and traps that will maybe kill you instantly .You have to find the keys to open chests and gates to get the keys inside . Unlock all the achievements and score your new level but dont forget to tack a screenshot and share it with friends . The game is totally free so go a head and have fun .