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Result of the 284th nikoli.com Puzzle Championship Jan 21, 2018

Congratulations! pisaca won the 284th 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 Sun. Feb 4, 2018 13:00 (UTC). The time trial problem will be a Satogaeri puzzle contributed by aiko.

Maintenance finished Jan 19, 2018

About 30 minutes after 05:00 Jan 19, 2018(UTC).

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

The Nikoli Derby - 17th world championship Jan 19, 2018

The Nikoli Derby - 17th world championship Please join nikoli original easygoing party game The Nikoli Derby. The winners will receive an original Nikoli T-shirt.

About future of nikoli.com Jan 10, 2018

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

Added Heyawake and Masyu puzzles to The pick of the puzzles page Jan 9, 2018

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

Added Botsu Bako problem Oct 20, 2017

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

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