About 120 new puzzles a month!
Members of nikoli.com can enjoy new puzzles everyday at your own exclusive page.
What's new
Results of the Nikoli Derby - 7th world championship Mar 10, 2010
The Nikoli Derby was developed by nikoli as a party game.
Look here for the results of The Nikoli Derby - 7th world championship.
We hope you are one of the winners!
Added Botsu Bako problem Mar 7, 2010
45's Extra Hard Hitori problem is open to members. Try it out on the Botsu Bako (Extra Special Problems) page in the members area.
Result of the 80th nikoli.com Puzzle Championship Mar 5, 2010
Congratulations to rorobo! rorobo won the 80th puzzle championship! rorobo'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 19, 2010 13:00 (UTC) and the time trial problem is a Hashiwokakero puzzle that was contributed by T.Karino.
Shikaku iPhone/iPod touch application released Mar 2, 2010
Nikoli has now made Shikaku applications for the iPhone/iPod touch. We have released a free edition at the App Store. If you have iPhone or iPod touch, please try it out. The first regular edition (#1) will be released around the middle of March.
Added Hitori and Kakuro puzzles to The pick of the puzzles page Mar 1, 2010
Most popular Hitori and Kakuro puzzles are available to members. Play them in the members area, in The pick of the puzzles page.
Author interviews Vol.13Feb 16, 2010
akasyo's Japanese pen name is "Akasyoubin". That is the name for the Ruddy Kingfisher (ruddy is the color here). That is a beautiful wild bird living in Japan, and he really likes birds. He is in his late 30s. He is married. And he is an engineer working with a manufacturer.
Giant Puzzle Week! Dec 2, 2009
Dec 10 (JST [Dec 9 15:00 UTC]) celebrates the 3rd anniversary of nikoli.com. We have been running the site supported by pencil puzzle lovers from around the world, a big thank you to all of you for three exciting years.
nikoli.com wishes to express our gratitude to you all for your support. To celebrate, we will publish giant puzzles in the members area on 7 consecutive days from Dec 10. We hope you will enjoy them!
Results of the 4th Minority Decides Game Oct 28, 2009
The Minority Decides is a nikoli original easygoing party game.
Look here for the results of the 4th Minority Decides Game.
