Sandpile controlAvalanche
Cells hold grains of sand. At 4, a cell topples — one grain to each neighbour, which can topple too. Drop one grain to set off an avalanche that topples the goal cell.
Level
Sandpile controlAvalanche
Cells hold grains of sand. At 4, a cell topples — one grain to each neighbour, which can topple too. Drop one grain to set off an avalanche that topples the goal cell.