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.
Result of the 186th nikoli.com Puzzle Championship Apr 20, 2014
Congratulations! furudo.erika won the 186th 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. May 2, 2014 13:00 (UTC). The time trial problem will be a Nurikabe puzzle contributed by -4.
Author round-table Vol.17Apr 18, 2014
Maintenance finished Apr 18, 2014
About 10 minutes after 05:00 Apr 18, 2014(UTC).
Due to scheduled maintenance, you could not access to the nikoli.com. Sorry for the inconvenience.
Added Botsu Bako problem Apr 7, 2014
aspirin's Slitherlink problem is open to members. Try it out on the Botsu Bako (Extra Special Problems) page in the members area.
Added Slitherlink and Yajilin puzzles to The pick of the puzzles page Apr 2, 2014
Most popular Slitherlink and Yajilin puzzles are available to members. Play them in the members area, in The pick of the puzzles page.
2014's April Fools' pageApr 2, 2014
2014's April Fools' page can be seen here. Get puzzles by "Puzzle Gacha".
Results of the Nikoli Derby - 12th world championship Oct 30, 2013
The Nikoli Derby was developed by nikoli as a party game.
Look here for the results of The Nikoli Derby - 12th world championship.
We hope you are one of the winners!