That was fun !
When you try to win but it's actually the opposite :P Haha fun time.
The concept is simple, yet effective !
Did you try applying this concept to the connect 4 or other games ? or did you choose right away choose tic-tac-toe ?
Plus you wrote a dev blog. I will for sure read it :)
Good submission and good job !
If you want to check mine it's here : https://itch.io/jam/gmtk-2019/rate/462077