Ninja USA - Super Buster

* * * Play the popular Ninja USA game which has already 1/4 million players * * * America is under attack! Angry balls are attacking from everywhere and everyone, and they are so many. But a Ninja comes to fight! This little guy will use his ninja skills, kunai and shurikens to make his way through the levels and save the country from these annoying balls. He has to shoot the falling balls un…