XO Duel is a single-player tic-tac-toe match against the computer. You place X in an empty square and the computer replies with O. A horizontal, vertical or diagonal line of three wins a round; a full board without a line is a draw. The match keeps a tally of your wins, computer wins and draws, then starts another round automatically. Starting turns alternate, so sometimes O moves first. The first side to win five rounds wins the match.
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Colossal boss fights, tower defense epics, and tactical arcade systems.
This game is owned, managed and distributed by its creator. ZuZi.dev hosts and moderates it but does not edit it.
No. This version is a single-player match against the computer.
No. Draws are tracked separately and another round begins.
You start the first round; the starting side alternates in later rounds.
Yes. Use 1–9 for squares or move with the arrow keys and press Enter.
