- Mouse and touch
- Click or tap a free tile, then choose a matching free tile to remove the pair. Tap the selected tile again to clear your selection. Dragging the board scrolls it; it does not select or remove tiles.
- Keyboard
- Use the arrow keys to move between free tiles; Home and End go to the first and last. Enter or Space selects a tile. Press H to highlight an available pair and Escape to clear the selection.
- Deal controls
- Choose one of the 12 numbered deals or Random Deal. Hint highlights one legal pair without removing it. Undo restores the last removed pair, up to 72 moves; Restart returns to the same deal and New Deal starts another.