Your move. You are X, pick a square.
1 | 2 | 3 ---+---+--- 4 | O | 6 ---+---+--- X | X | O
Moves: X8 O5 X7 O9
New game | Computer goes first | Undo
Play the recursive version ↻
No JavaScript. Every square is a link. Works in curl, lynx, or a browser.