Yeah, made my first puzzle game during this gamejam. Really happy how it turned out.
If you want to give it a try, it's playable in the browser: https://njamster.itch.io/wonkey 

https://itch.io/jam/gmtk-2019/rate/460164 I made a little puzzle game during the jam.

Ensio the Eye | Puzzle game  | changing your Perspective to allow for movement in the 2nd Dimension or activate again to return to the 3rd

Its my first Game Jam. Its got its fair share of bugs that I ran out of time to fix but its something and ive enjoyed the whole experience.

https://itch.io/jam/gmtk-2019/rate/462240

I also made a puzzle game although I wish I had more time to explore the design and mechanics. Some people seem to like it though!

https://itch.io/jam/gmtk-2019/rate/462443

Here is  Mine, its my first jam and i worked solo. Do you guys think its worth making into a full game? 

We made a puzzle game too. Pretty simple one, but I liked how it turned out. Let me know what you think!

https://itch.io/jam/gmtk-2019/rate/461910

oh yeah we did. https://bitdecaygames.itch.io/ka-bob

we made a puzzle game. this little monk wanders across 2 or more levels at the same time. but you can only see one.  https://itch.io/jam/gmtk-2019/rate/463271

My Dungeon Crawler has some puzzles.

Here, take a look!
https://v-i-r-t-u.itch.io/no-more-dungeons

Don't forget to rate it!

Try puzzle-horror -> https://itch.io/jam/gmtk-2019/rate/462518

This game is not mine, but has pretty good puzzles in it : https://prodigalson.itch.io/buddy-system

I wanted my own entry to be a puzzle game too, but as I didn't have the time to design the battles, it turns out you can win them without really having to find any solution to any problem. So I don't think it'll qualify for this topic.

I did, welcome to try it if you want :) https://itch.io/jam/gmtk-2019/rate/462582

Hello! I made a puzzle/programming game where you can add only one method to the sequence!

https://itch.io/jam/gmtk-2019/rate/462407

Mine is here, no one has rate yet :(
https://itch.io/jam/gmtk-2019/rate/462824
Cyan is a little puzzle / platform where you have only one "powerup", an hamburger that make you bigger! But also with pros and cons.. And, also, the only color is cyan blue :D
(In the meanwhile I'm trying and rate all the games in this thread, how many great puzzle!!)

My puzzle game

https://itch.io/jam/gmtk-2019/rate/463365

A robot puzzler where you can only use each input command once! Last level's a toughie, please let me know if you beat it!

https://itch.io/jam/gmtk-2019/rate/463424#post-854130

I'm calling my game a puzzle platformer since it seems like a platformer, but you can only press each direction once per stage. It's called Broken Robot and I think that having to plan out your movements in the game makes it a type of puzzle game.

https://itch.io/jam/gmtk-2019/rate/462219

Airship Adventure - A short game of aviation

https://itch.io/jam/gmtk-2019/rate/463701