International Ninja Day (yes, really!) affords topical opportunity to test your covert agent credentials.
Swerve life-threatening perils of espionage and sabotage to try our ancient shinobi posers from comfort and relative safety of your desktop, gratuitously illustrated by Teenage Mutant Ninja Turtles mash-up. Knowledge of Kuji-Kiri, eastern magical practice making you capable of combining your natural ability to move ghost-like with supernatural powers, is preferable but not essential. Wearing of signature black while answering questions is also entirely optional.