Ninja Chiba : The ninja must avoid all obstacles and traps. There are several styles of Ninjutsu to help you achieve your goals and get all the achievements. There are 4 kinds of Ninjutsu styles, 13 kinds of achievements and more than 7 kinds of upgradeable items with 3 levels of upgrades for each item. Control in Game: r -slash: left click button or "S"; r -jump: space bar.