Tic-Tac-Toe variants
Other ways to play Tic-Tac-Toe, each one ready to play here. Read how a variant changes the rules, then start a game with it chosen in the table setup.
Misère Tic-Tac-Toe
Tic-tac-toe played to lose: whoever completes a line of three of their own marks loses the game.
Wild Tic-Tac-Toe
Each turn you choose whether to place an X or an O, and whoever completes a line of three like symbols wins.
Order and Chaos
A 6×6 tic-tac-toe for two unequal sides: Order tries to make five like symbols in a row, Chaos tries to fill the board without one.
Numerical Tic-Tac-Toe
Ron Graham's tic-tac-toe with numbers: odd against even, each number used once, and the first to complete a line adding up to 15 wins.
Gravity Tic-Tac-Toe
Tic-tac-toe with the drop rule of Four in a Row: you choose a column and your mark falls to the lowest empty square in it.
Ultimate Tic-Tac-Toe
Nine games of tic-tac-toe inside one big board, where the square you play decides which small board your opponent must play in next.
3D Tic-Tac-Toe 4×4×4
Tic-tac-toe in a cube of four stacked 4×4 layers, where four of your marks in a straight line, within one layer or through all four, win.
Quantum Tic-Tac-Toe
Tic-tac-toe in which every mark is placed in two squares at once and stays undecided until a cycle of linked marks forces it to collapse into one.