四子棋

遊戲說明

1. Tap a column to drop your red disc — it falls to the lowest empty row.
2. Connect four of your discs in a row (any direction) to win.
3. The AI replies with yellow. First to four wins; full board with no winner is a draw.

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常見問題

Is it free?

Yes — no signup, no ads interrupting play.

Does my data leave my device?

No. Everything runs locally in your browser.

Does it work on mobile?

Yes. Tap any column to drop a disc into it.