The shelves got messed up. Drag items onto empty spots until every shelf has 3 of the same thing. A full shelf clears. Clear the whole store to stop the clock.
You start with 10,000 points. Every second costs 10 and every move costs 20, so plan your moves.
Everyone gets the same layout.
Drag an item to an empty spot, or tap an item and then tap an empty spot.
Best score per player. Higher is better.