Ultimate Tic-Tac-Toe
Ten games of tic-tac-toe,
played all at once.
One big board, nine little ones. Every move you make decides which board your opponent plays in next. Win the small boards to claim the big one — but choose carefully, because you're always handing your rival their next move.
Tap any square to start a local game.
📖 How to play
The Send, capturing boards, the free move, and winning — explained with a live board.
✍️ FGN notation
A chess-like alphanumeric system: e5, captures with x, wins with #.
🎮 Play
Against the AI, local hotseat, or online with a friend via a shareable link.