Top rating improvement of the month
Elena 20
Freddie Hand 17
Gigi 16
Alexandr Kirlitsa 15
Yury Volvovskiy 14
Top commenters of the month
Adam Bissett 2
rob 1

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.

Maxi Snake

Author: Andrey Bogdanov

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Shade some cells black to create a snake - a chain of blackened squares which doesn't touch itself even at a point. Begin and end of the snake are already given. Numbers outside show the length of maximum blackened fragment in the corresponding row or column.

Example puzzle

Grid control: Click the mouse button at the selected cell to change the color of the cell. You can use mouse dragging to copy content from one cell to another. More details about grid control are at the help page.