The Hints counter is empty. You can keep asking for hints. This board becomes practice: it will not earn stars or points, and your difficulty will not change.
MouseClick a cell to cycle its noteHold a Piece note to lock its groupKeys↑↓←→ or WASD moveZ Empty noteX Piece noteEnter or Space lock this cellC lock the marked groupH HintCtrlZ Undo
Watching shows the solution. If you accept this challenge after that, it earns no stars or points, and they will see that you had seen it.
Challenge a friend
End your win streak?
Difficulty
Experimental
Generate your own
Custom boards skip the checks the ladder uses. Hints may not appear on some steps.
Boards this size can take several minutes to generate.
Boards larger than 10×10 still have exactly one solution, but more steps may have no hint.
Pieces
Generating…
The board could not be generated. Try again, or choose a smaller size or fewer pieces.
Post your time?
Leaderboards
Leaderboard
Fastest runs without hints, first runs only
Place
Name
Time
Replay
Watching shows the solution. If you play this board after that, your time gets no place on the leaderboard. We do not block watching. We count on you not to post a time on this board from another device.
Board of the day
First tries on this board of the day
Place
Name
Time
Hints
Miss
Profile
Rank
Friends see this name on replays and challenges you send them.
Leaderboard
By difficulty
Solved of played. The small number is solved without hints.