Cody Jan 11, 2014 #1 Cicada 3301 crypto-puzzle An interestingly curious thingy. Last edited: Jan 11, 2014
Zefod Apr 9, 2017 #2 2017 has a new cicada puzzle: https://cicada3301.org/ https://youtu.be/Mm_xFQ4EiWA
Philip Coutts Volunteer Moderator Apr 9, 2017 #4 Wow! That is one heck of a necro. Closing the thread.