Tic-tac-toe is a board game played on a three-by-three grid by two players, who alternately place the marks X and O in one of the nine empty spaces in the grid. You win by filling all three spaces of a row, column, or diagonal of the grid. Challenge yourself with variants of the Tic-tac-toe with extended boards ♦ 3x3 board with three marks in a line ♦ 4x4 board with four marks in a line ♦ 6x6 board with four marks in a line ♦ 8x8 board with five marks in a line ♦ 9x9 board with five marks in a line Game features ♦ Powerful game engine ♦ Hint command ♦ Show threats command and configurable game helper ♦ Configurable settings ♦ Game statistics Game settings ♦ Game level from newbie to expert ♦ Human vs. AI or human vs. human mode ♦ Theme: automatic, dark or light ♦ Game icons (X and O or colored discs) ♦ Type of game ♦ Game helper: predictive and training ♦ Sound effects Game helper ♦ The predictive helper informs the player when the game is going to end in a draw or when one of the players is close to winning. ♦ The training helper provides hint about next move by coloring best place in green and shows possible threats. Permissions This application uses the following permissions: ♢ INTERNET - to report software errors