Much of this educator’s work concerns a mixture of logic with educated guesses. This educator teaches a class called Heuristic Problem Solving in which students face puzzles every week and write computer programs to solve them. Some of those students have turned those puzzles into two or more people computer games. A few of those games even include an Artificially Intelligent opponent!

Please visit this site: doctor ecco, create an account and try the games. These three games might be a good place to start:
Gravitational Voronoi, No Tipping, and Pandemic. Are you all set with those? Try more if you like!

Like paper and pencil challenges? This logic book might just be what you are looking for: The Puzzling Adventures of Dr. Ecco. If you like that book, take a look for any logic book by Raymond Smullyan. Try some of his logic puzzles and enjoy!

Love riddles? TED-Ed has more for you, take a look at these three lessons:
Can you solve "Einstein’s Riddle"? - Dan Van der Vieren
The famously difficult green-eyed logic puzzle - Alex Gendler
Can you solve the prisoner hat riddle? - Alex Gendler