XO
Oxo
Three in a row. Outsmart a minimax AI or pass-and-play with a friend.
Mode
AI difficulty
Tap a square · keys 1–9 or arrows + Enter · U to undo
Three in a row. Outsmart a minimax AI or pass-and-play with a friend.
Tap a square · keys 1–9 or arrows + Enter · U to undo