Impossible Tic-Tac-Toe

Few board duels feel as stubborn as a match in Impossible Tic-Tac-Toe. A classic three-in-a-row grid stands in front of a computer rival that reads the board fast and takes the first mark every round. Crosses and noughts are both available, and the pressure comes from facing an opponent that already knows the standard traps and replies. One empty square changes the whole position. A win still demands three matching symbols in a line.

How to play?

Place your mark on an empty cell after choosing X or O. The computer answers at once with its own symbol, placing moves automatically before any pause on the board. Read the pattern after each reply. Plan ahead for both sides and block the line that forms first, then build your own row of three before the grid runs out of space.