How to play
Tap to fill a square, tap again to mark it X, and tap once more to clear it. The same controls work on touch screens.
Daily logic puzzles
Fill the hidden black-and-white picture using the row and column clues.
Daily
The timer starts only after you press Start.
Puzzle ready.
Puzzle Complete
Keep the session going with today's puzzle or another free logic game.
Learn the puzzle
Tap to fill a square, tap again to mark it X, and tap once more to clear it. The same controls work on touch screens.
Numbers describe consecutive filled blocks in each row and column. Separate blocks need at least one empty square between them.
Place the longest runs first. Compare the overlap of every possible placement with the current X marks.
FAQ
It is a picture logic puzzle also known as Picross or Griddlers.
Yes. The three-state tap control is designed for touch screens; no hover is required.
More logic games
Place one star in every row, column, and region without letting any two stars touch.
Place one tent beside every tree. Tents never touch, even at the corners.
Connect every island with bridges while matching each island's number.
Draw one continuous loop around the numbered cells without branches or crossings.