About 120 new puzzles a month!
Members of nikoli.com can enjoy new puzzles everyday at your own exclusive page.
What's new
Result of the 32nd nikoli.com Puzzle Championship May 9, 2008
Congratulations to H.Jo! H.Jo won the 32nd puzzle championship! H.Jo'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 May 23, 2008 13:00 (UTC) and the time trial problem is a Shikaku puzzle that was contributed by aspirin.
Added Botsu Bako problem May 8, 2008
crimson's Medium Slitherlink problem is open to members. Try it out on the Botsu Bako (Extra Special Problems) page in the members area.
Added Nurikabe puzzles to The pick of the puzzles pageMay 1, 2008
Most popular Nurikabe puzzles are available to members. Play them in the members area, in The pick of the puzzles page.
Author interviews Apr 23, 2008
We are going to publish interviews with puzzle authors, about how they make puzzles.
The Nikoli Derby - 4th world championship Apr 18, 2008
The Nikoli Derby was developed by nikoli as a party game. It has very simple rules that make it exciting and easy for all, from kids to much older players.
For this World Championship we accept Japanese horses from the Japanese pages. We estimate there will be more than 500 horses starting.
Jigsaw puzzle in Spring Apr 14, 2008
Added animated jigsaw puzzle you can play for free in your browser.
2008's April Fools' page Apr 2, 2008
2008's April Fools' page can be seen here. We had prepared seven huge and fabulous puzzles for you.
