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The puzzle below is a current daily puzzle. This puzzle is competitive - you have to register to solve it and participate in the daily competition. To register click Login link in the top right corner.

You can use the scores page to see the results of other competitors for this puzzle.

All the puzzles from the previous days are available at our archive page. Puzzles which are older than 5 days do not affect the score table and can be attempted without registration.

Lighthouses

Author: Andrey Bogdanov

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Place boats into some cells. Cells with boats can not share a point with each other and with numbered cells. Numbers are lighthouses which show how many boats are illuminated by the lighthouse. Each lighthouse illuminates all boats in the same row or the same column.

Example puzzle

Grid control: Click the mouse button at the selected cell to set/remove a boat. More details about grid control are at the help page.