2013 was a slow year for puzzlers. A great puzzle game has unique gameplay that infuses puzzle solving, sometimes a great story, and unique graphics. Sometimes they can also have some action thrown in or platforming even. Puzzle games have to have their core being puzzle solving, and they have to be clever and solvable with using just your brain.
Gunpoint is extremely fun and unique and is easily the best puzzle game this year. Using action to solve puzzles and giving us a great story on top of that the writing is sharp, the hacking is great, and the atmosphere sucks you in. What kind of puzzle game does that? Nonsense Portal.