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 183rd nikoli.com Puzzle Championship Mar 8, 2014
Congratulations! moka36 won the 183rd 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. Mar 22, 2014 13:00 (UTC). The time trial problem will be a Shikaku puzzle contributed by Guten.
Added Hitori, Kakuro and Ripple Effect puzzles to The pick of the puzzles page Mar 3, 2014
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.
Author interviews Vol.39Feb 25, 2014
Our guest this time is Kenja. He is a university student now. He is a member of the university swimming club. He is a real athlete.
Maintenance finished Feb 21, 2014
About 15 minutes after 05:00 Feb 21, 2014(UTC).
Due to scheduled maintenance, you could not access to the nikoli.com. Sorry for the inconvenience.
Added Botsu Bako problem Feb 10, 2014
cherry's Hitori problem is open to members. Try it out on the Botsu Bako (Extra Special Problems) page in the members area.
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!