A friend dragged me into an extracurricular competitive programming when we were in school. Had to code in Pascal, of all languages.
Funny thing is, the first session was full to the point of people having to stand, a month or two later only 3 people attended, and that's when it stopped.
One of those games where it's better to play absolutely blind. For the experience of discovery is the gameplay. You can never play it for the first time again.
If the traffic is encrypted, how would they know?