About Tic Tac Toe Online
It is a 2 player game, so you need someone next to you to play against.
A line of three counts across a row, down a column or along either diagonal. If all nine squares fill up and nobody has a line, the game ends in a draw.
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Because each player only gets a handful of marks, every move matters on this small board. Most of the game comes down to finishing your own line before your opponent finishes theirs, and stopping them when they get close.
Quick summary
- Two players share one 3x3 grid, one playing X and the other O.
- You take turns placing one mark on any empty square.
- The first player to get three marks in a row, column or diagonal wins.
- If the grid fills up with no line of three, the round is a draw.
Key features
- Classic tic tac toe rules on a 3x3 grid.
- Made for two players taking turns on the same screen.
- Rows, columns and both diagonals all count as a win.
- A full grid without a winner ends in a draw.
Tips & tricks
- When your opponent has two marks in a line with the third square empty, take that square right away.
- Keep an eye on the diagonals, since they are the easiest lines to miss.
- If you cannot win a round, keep blocking. A draw is better than a loss.
Frequently asked questions
What counts as a win in Tic Tac Toe Online?
Three of your marks in a row, in a column or on a diagonal.
What happens if every square is filled and nobody wins?
The round ends in a draw.










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