Featured Puzzle: Yagit #2
Oh no! Your precious flock is being hunted by wolves! Place fences (lines) along the lines of the grid to create regions that each contain only sheep, or only wolves.
Featured Puzzle: Yagit #3
Oh no! Your precious flock is being hunted by wolves! Place fences (lines) along the lines of the grid to create regions that each contain only sheep, or only wolves.
Featured Puzzle: Zombie Invasion
Oh no! A zombie horde is terrorizing the town! You must quickly build walls to keep them at bay! Draw walls to create regions that contain only people, or only zombies.
How to Solve Arukone Puzzles
Connect each pair with a line that only travels orthogonally. These paths do not cross and might not use every cell in the grid.
How to Solve Gokigen Puzzles
Place diagonal lines in every cell so that there are no closed loops. Circled numbers indicate how many lines touch that intersection.
How to Solve Hashi Puzzles
Draw bridges between islands to create one connected group. Numbers on the islands indicate the number of bridges that connect to that island.
How to Solve Hitori Puzzles
Find and shade all duplicate numbers in rows and columns, leaving only unique digits. No shaded cell may be adjacent to another, and unshaded cells must form a contiguous area.
How to Solve LITS Puzzles
Place one tetromino in each region such that all of them are orthogonally contiguous, no tetrominoes of the same type are adjacent, and no 2×2 area of cells is covered.
How to Solve Masyu Puzzles
Create a single closed loop which passes through all the circles, but not necessarily all the cells, without crossing itself or branching. Black and white circles have different rules about how the line of the loop passes through them.
How to Solve Yagit Puzzles
Divide the grid into fenced regions, each containing only one type of animal. No empty regions are allowed.