Might the mysterious and pseudonymous Senex Caecilius be a certain CoinTalk member with an avatar of Tiberius? Any chance that same member is the proprietor of this interesting and fun website I stumbled upon today? Here's one of the pages from that site, chock full of fun quizzes and puzzles (many of them hard ) http://lonestar.texas.net/~robison/ludi.htm