I'm considering adding a leaderboard, but that would damage the appeal that the current version runs completely client-side – from server point of view, it's ju

I'm considering adding a leaderboard, but that would damage the appeal that the current version runs completely client-side – from server point of view, it's just a few static files served by nginx. Before I implement one, I'll likely add permalinks to puzzles, so you can race against your friends in solving the exact same riddle just by sharing a URL.