Ninjustice

Welcome to the world of Ninjustice. You are a lone ninja standing vigil over the entirety of Planet Earth. Aliens have attacked, and would like nothing better than to abduct humans and experiment on them. It's time to spring into action!

Travel a unique globe-based world map, saving cities as they're attacked by roving alien bands. Using a fast and furious mouse-based battle system to zoom around the screen, cutting everything in your path. Simply click on a spot to toss shurikens at your enemies. Collect money from cities you've saved, upgrade your weapons and skills, and learn new devastating ways to dispatch those would-be invaders!