Your move. You are X, pick a square.
X | X | O ---+---+--- O | O | X ---+---+--- X | 8 | O
Moves: X1 O5 X7 O4 X6 O3 X2 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.