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Result of the 288th nikoli.com Puzzle Championship Mar 16, 2018

Congratulations! SERENE won the 288th puzzle championship! The winner's name is now displayed and will remain on the Champion page of nikoli.com Hall of Fame.

The next puzzle championship will be held from Fri. Mar 30, 2018 13:00 (UTC). The time trial problem will be a Hashiwokakero puzzle contributed by -4.

Maintenance finished Mar 16, 2018

About 10 minutes after 05:00 Mar 16, 2018(UTC).

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

Added Hitori, Kakuro and Ripple Effect puzzles to The pick of the puzzles page Mar 1, 2018

Most popular Hitori, Kakuro and Ripple Effect puzzles are available to members. Play them in the members area, in The pick of the puzzles page.

Added Botsu Bako problem Feb 16, 2018

bay wolf Jr's Hashiwokakero problem is open to members. Try it out on the Botsu Bako (Extra Special Problems) page in the members area.

About future of nikoli.com Jan 10, 2018

We published a page about future of nikoli.com. Please check this page.

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