Ultimate Tic Tac Toe
Win 3 small boards in a row on the big grid. Your move sends the opponent to that next small board.
Difficulty
You play
Next board
Any
Hint: —
How to play
Quick rules + difficulty behavior.
Ultimate rules
Your move chooses the opponent's next small board
Win small boards → win big board
Difficulty
Easy: random-ish • Medium: tactics • Hard: stronger search
Computer plays O by default
Tips
- Try to send the computer into boards that are already decided (then you get a free-choice turn next time).
- Winning the center small board is often powerful.