Sudoku, towers, Star-battle, fillomino, Hybrids and one offs… ?
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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
That’s an interesting take on it. I wonder if that version is “solved”. You reminded me of a 3d version on a really old version of windows. https://tcrf.net/TicTactics