Ultimate Tic-Tac-Toe

Where you play inside a small board decides which small board your opponent plays in next. Win three small boards in a row to win.

How to play

Nine small boards make one big board. Win a small board by getting three in a row inside it.
The square you pick inside a small board decides which small board your opponent must play in next.
If that board is already decided, your opponent may play anywhere open.
Win three small boards in a row on the big board to win. The 🔍 panel enlarges the board you are playing in.

Move list

U undo · R redo · H hint · Z zoom · N play again · arrow keys move between squares