Attack on Titan 1Attack on Titan is a breakout hit in Japan, where is has sold over five million copies in just one year. This title has breakout potential in the U. S. as well. 16 and up. The megahit Attack on Titan anime is back! In this post apocalyptic sci fi story, humanity has been devastated by the bizarre, giant humanoids known as the Titans. Little is known about where they came from or why they are bent on consuming mankind. Seemingly unintelligent, they