Minesweeper
The genuine article: 9×9, 16×16, or 30×16 with the classic first-click-safe rule, flood fill, chording, and the LED clock. Members only: take a number (one tap, it signs you in with X) to play.
Members only.
Sign in with X to play. It joins The Queue and creates your wallet in one tap. Come back here and the board is yours.