Hello everyone! I've just stumbled upon an unusual version of tic-tac-toe on a large board: Ultimate Tic-Tac-Toe. I use to play here: https://tictactoefree.com/ultimate-tic-tac-toe
Hello everyone! I've just stumbled upon an unusual version of tic-tac-toe on a large board: Ultimate Tic-Tac-Toe. I use to play here: https://tictactoefree.com/ultimate-tic-tac-toe