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About 130 new puzzles a month!

Members of nikoli.com 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 nikoli.com.

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What's new

Maintenance finished Nov 21, 2014

About 15 minutes after 05:00 Nov 21, 2014(UTC).

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

Added Botsu Bako problem Nov 19, 2014

Guten's Shakashaka problem is open to members. Try it out on the Botsu Bako (Extra Special Problems) page in the members area.

Result of the 201st nikoli.com Puzzle Championship Nov 15, 2014

Congratulations! Kota won the 201st 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 Sat. Nov 29, 2014 13:00 (UTC). The time trial problem will be a Shikaku puzzle contributed by 36.

16th puzzle of nikoli.com is NorinoriNov 14, 2014

nikoli.com will start publishing Norinori puzzles in our members area from December.

Try out the sample puzzles of Norinori to get to know this wonderful puzzle.

Author round-table Vol.22Nov 10, 2014

The guests this time are Pencil Rocket and YukiHiro. They are young among the authors of nikoli.com. From Nikoli we have NyanBaz and Nob.

Added Nurikabe, Numberlink and Satogaeri puzzles to The pick of the puzzles page Nov 4, 2014

Most popular Nurikabe, Numberlink and Satogaeri puzzles are available to members. Play them in the members area, in The pick of the puzzles page.

Added Slitherlink and Yajilin puzzles to The pick of the puzzles page Oct 1, 2014

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

Results of the Nikoli Derby - 13th world championship Jul 17, 2014

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

Look here for the results of The Nikoli Derby - 13th world championship.

We hope you are one of the winners!


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