Tic-Tac-Toe

Get three of your marks in a row — horizontally, vertically, or diagonally — before your opponent does. Play against the computer (three difficulty levels, as X or O) or pass the device for a local two-player match. The scoreboard tracks the series across rounds.

Keyboard: arrows move · Enter/Space place · 1–9 place numpad-style (7 = top-left) · U/Ctrl+Z undo · N next round