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Results of the Nikoli Derby - 17th world championship Feb 20, 2018

The Nikoli Derby was developed by nikoli as a party game.

Look here for the results of The Nikoli Derby - 17th world championship.

We hope you are one of the winners!

Result of the 286th nikoli.com Puzzle Championship Feb 18, 2018

Congratulations! KNY won the 286th 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 2, 2018 13:00 (UTC). The time trial problem will be a Masyu puzzle contributed by the ax and sword.

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.

Maintenance finished Feb 16, 2018

About 30 minutes after 05:00 Feb 16, 2018(UTC).

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

Added Akari and Hashiwokakero puzzles to The pick of the puzzles page Feb 1, 2018

Most popular Akari and Hashiwokakero puzzles are available to members. Play them in the members area, in The pick of the puzzles page.

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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