Tic-tac-toe

Your move. You are X, pick a square.

 X | 2 | O 
---+---+---
 O | O | X 
---+---+---
 X | O | X 

Moves: X1 O5 X7 O4 X6 O3 X9 O8

Play the recursive version ↻

No JavaScript. Every square is a link. Works in curl, lynx, or a browser.