Information about the company

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Nikoli Co.,Ltd.


Nihonbashi-hamacho Bldg.3F, 3-36-5 Nihonbashi-hamacho, Chuo-ku, Tokyo 103-0007


Phone +81-3-3527-2512

For inquiries

Please contact us using the email form at the Inquiries to page. Please tell us your OS, the browser that you use, and the problems you have experiences, like "The puzzle doesn't work, the movements are strange...etc. Please be specific and detailed."

Business hours

10:00 - 20:00 (JST) weekdays

We are closed on Saturdays, Sundays, national holidays, New Years and other holidays.

Person in charge

Junji Takeuchi

Type of goods and services

Digital contents

Delivery time

Depends on the payment method


Please check the admission page.

How to pay and when

It depends on the payment method you select: Credit card or Paypal.

Returning paid fees

Membership fees already paid will not be returned.