Drag to slide the falling trio. Tap to rotate it.
Flick up to shuffle its colors. Flick down to slam it.
Line up 3+ of a color, across, down or diagonal, or fill a whole row.
Clears charge the TILT meter. When it's full, tip the board ◀ ▶: every gem slides over, and each cascade scores double.
Rare Prism gems wipe out every gem of the color they land on.
The prism shattered