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DRAGDrag pieces from the tray onto the 8×8 grid.
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ROTATETap a piece to rotate it 90°.
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DISCHARGEFill a full row or column to clear it. Multiple lines at once score big.
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COMBOClear again within 3 placements to keep the multiplier climbing (up to ×3).
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GRID FAILUREGame over when nothing fits in any rotation. The game never deals an impossible tray — plan ahead.