In the application you will see a 5X5 playing field. You have to play the game "tic-tac-toe" with a computer. The computer puts "0", you put "X", the moves are made in turn. Your task is to put 4 crosses in a row or diagonally. You need to do this faster than a computer. The winner of the game is the one who builds a line of four crosses or noughts faster. Spend your free time usefully with the Be Thunder app.
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