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297th Puzzle Championship Jul 19, 2018

Puzzle Championship nikoli.com holds the 297th puzzle championships on our members page on Fri. Jul 20, 2018 13:00 (UTC). The first correct solution is the winner. Start right away and hurry, race, dash to solve it and submit it immediately!

The Nikoli Derby - 18th world championship Jul 18, 2018

The Nikoli Derby - 18th world championship Please join nikoli original easygoing party game The Nikoli Derby. The winners will receive an original Nikoli T-shirt. This is the last race on nikoli.com. We wish you good luck!

Announcement of the maintenance work Jul 17, 2018

from Fri, Jul. 20 05:00(UTC), about 2 hours

You will not able to get access to the nikoli.com during this time. Sorry for the inconvenience.

Sorry for the access failure (everybody's pages)Jul 3, 2018

We are sorry. You are hard to get access to the nikoli.com everybody's pages from Jun 19th(UTC) because of the network disturbance by the server managing company.

* You can access the Members' page. Please bookmark it.

Added Heyawake and Masyu puzzles to The pick of the puzzles page Jul 2, 2018

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

Added Botsu Bako problem Feb 16, 2018

bay wolf Jr's Hashiwokakero problem is open to members. Try it out on the Botsu Bako (Extra Special Problems) page in the members area.

About future of nikoli.com Jan 10, 2018

We published a page about future of nikoli.com. Please check this page.

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