If you’re looking for something off the beaten path, here’s a puzzle which I presented a couple years back at the local National Puzzlers League gathering. It involves a fair amount of arcane Scrabble knowledge in that you need to know all the Scrabble-legal two-letter words. It requires a decent amount of Dr. Seuss familiarity (including some rarer titles). And it relies heavily on Cryptic Crossword clues tropes.
If all of those sound at least familiar, you should try it.
If combining those three elements sounds intriguing, you will love it.
If they actually sound fun to do at the same time, you are probably me.
Below are two PDF documents that you must print out in order to play.