Enigmatic app is the brainchild of a developer in Athens , Greece . It has a black box with fiendish clues and no text or images at all . About 50 % of players so far have exceeded the app 's 50 % . Equally mysterious episode number of None * is expected this year .
Enigmatic app is the brainchild of a developer in Athens , Greece . It has a black screen with fiendish clues and no hints or images at all . About 10 % of players so far have completed the app 's 50 levels . Equally mysterious episode two of None* is expected this summer .