Solve challenging math problems in a dark crypt with Sinkstone, an online puzzle game based on the weight of stones and simple subtraction. Select numbered cobblestones and smash them into adjacent blocks in a straight line to gradually subtract mass values or completely cancel out elements of equal weight. Carefully calculate the order of each of your actions, do not leave any block cut off from the rest. Open heavy dungeon gates and successfully complete all levels in the Sinkstone game.
