Drag a piece, or select one then tap its origin cell. Keyboard: 1-3, arrows, Enter; Esc cancels.
Choose a piece to begin.
Drag a shape from the tray and drop it on the board. Fill any full line (any colors) to clear it and earn bonus points.
Drag, or select a piece and tap the board. Keyboard: 1-3 selects, arrows aim, Enter places. Sound is optional.
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Your board and time are kept. Sound is stopped until you resume.