Ultimate Tic-Tac-Toe
Nine boards, one winner. Your move decides where the opponent plays next. Beat classic Tic-Tac-Toe too easily? This is the real test.
Click or tap a cell in the highlighted board. The active board shows where you must play next. Use arrow keys + Enter for keyboard control.
About Ultimate Tic-Tac-Toe
Classic Tic-Tac-Toe is solved — with perfect play it always ends in a draw. Ultimate Tic-Tac-Toe fixes that by nesting nine boards inside one. Each move sends your opponent to a specific board, so you are constantly trading short-term gains for long-term position. A single careless move can hand your rival an entire board.
Funnyzz's version plays against a built-in AI with three difficulty levels. Easy is great for learning the rules; Medium uses smart heuristics to punish obvious mistakes; and Hard runs a look-ahead search that will test even seasoned players. Win three small boards in a row — across any line — to claim the big board.
This free online Ultimate Tic-Tac-Toe game needs no download or account. Open the page and play instantly on desktop or mobile. If you want the gentle version first, try our classic Tic-Tac-Toe.
Ultimate Tic-Tac-Toe FAQ
How do you play Ultimate Tic-Tac-Toe?
There are nine small Tic-Tac-Toe boards in a 3×3 grid. A normal move on one board decides which board your opponent must play in next. Win three small boards in a row to win.
What happens when a small board is already won or full?
If your move would send the opponent to a board that is already won or drawn, they may play in any open board — a "free move" and a key tactical moment.
Is there a difficulty setting?
Yes: Easy (random), Medium (smart heuristic), or Hard (look-ahead search).
Is Ultimate Tic-Tac-Toe free?
Yes, completely free with no download or sign-up. Your win rate is tracked locally.