paper-and-pencil game for two players From Wikipedia, the free encyclopedia
Tic-tac-toe, also called noughts(/cricles) and crosses or X's and O's(/0's(/zeroes)) is a game for two people that only requires pencil and paper, although you can also use a board with tokens.
The board (which can be a drawing on a paper or other place) consists of a square that is crossed by two vertical and two horizontal lines, so in total there are three small squares left in the top line, another 3 in the center line and 3 more in the bottom line.
Each player takes turns drawing a cross or a circle in a square (or placing tokens of different shapes or colors) The winner is the one who manages to place three equal pieces in a row, either vertically, horizontally or diagonally.
Normalla Tic-Tac-Toe is played on 3X3 board. But there are another version Tic-Tac-Toe Plus which could be played in 3X3, 4X4, 5X5, 6X6, 7X7, 8X8, 9X9, 10X10, 11X11, 12X12 board[1].
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