Run around in the grid!
Slitherlink is Nikoli’s original puzzle. Its greatest feature is countless theorems. Experience the feeling of getting much skilled when you find new theorem.
Create a single loop by connecting the dots, without making more than one loop. The number indicates how many lines surround it. The loop never crosses itself and never branches off.
One unit comes with 30 puzzles with 60 pieces of paper (Two sheets of paper per puzzle so that you can enjoy it twice!).