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About 130 new puzzles a month!

Members of can enjoy new puzzles everyday at your own exclusive page.

No payment is necessary for the first month by credit card. A perfect chance to enjoy and get to know

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Result of the 217th Puzzle Championship Jun 27, 2015

Congratulations! volxa won the 217th puzzle championship! The winner's name is now displayed and will remain on the Champion page of Hall of Fame.

The next puzzle championship will be held from Sat. Jul 11, 2015 13:00 (UTC). The time trial problem will be a Shakashaka puzzle contributed by the ax and sword.

Maintenance finished Jun 19, 2015

About 15 minutes after 05:00 Jun 19, 2015(UTC).

Due to scheduled maintenance, you could not access to the Sorry for the inconvenience.

Added Botsu Bako problem Jun 16, 2015

SAKAMOTO, Nobuyuki's Satogaeri problem is open to members. Try it out on the Botsu Bako (Extra Special Problems) page in the members area.

Added Shikaku, Sudoku and Shakashaka puzzles to The pick of the puzzles page Jun 1, 2015

Most popular Shikaku, Sudoku and Shakashaka puzzles are available to members. Play them in the members area, in The pick of the puzzles page.

Author round-table Vol.23Apr 15, 2015

Here today we have Guten a very familiar author who created Shakashaka. And we also have HIRO FUKUSHIMA who thought up the Heyawake rules. We will talk about "Omopa" today.

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