SudoCue - Archived X-Files

SudoCue offers you a daily X-File. You may have missed an earlier file, or did not finish it in time, because it was too difficult for you. If you’re upto the challenge this time, you can browse this archive and try some of the earlier entries.

Fortunately, from this archive you can view the solution for each entry. Only todays X-File does not allow you to see the solution, yet...