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NIN-Type:X
The Natural Intelligence Nine Test

"NIN-Type:X" is a high range IQ test which consists of 9 items.

【Test infomation】
Every correct answer is simple and clear.

You may use any kind of reference material you see fit, but please work alone.
Please do not share, or publish your answers at any time with any other person.

Also, publish or link this test is forbidden.

Each item requires one answer.

Every correct answer yields one point. There are no half points.

8/9 items have been already solved.
A minimum of 20 hours is suggested for solving "NIN-Type:X".

【Author introduction】
"2018 WGD Genius of the Year (Asia)".
World record holder of the verbal high range IQ test "Triplex"-1st attempt (author: Dr.Ivan Ivec).
I have also a high score of "Verbatim" and the perfect score in the analogy section.


I would like to pursue the possibility of art through my life.
High range IQ test is logical art. There is no end to art and it will not decay.
I want to bet all my own existence and to provide a high-quality test.

Submission Guideline

Two attempts are allowed.
Please use PayPal for payment.


[Until the official NORM publishment]
The scoring fee is free for 1st submission.
2nd submission is 19 Euros.

[After the official NORM publishment]
​The scoring costs 19 Euros for each submission.


Your score report will normally be received within 72 hours, excluding weekends.

You need to send me the following every time.
1) Full name
2) Age & Sex
3) Solutions
4) Evidence of ID with photo
5) All prior I.Q. scores of untimed high range IQ test.(test name, I.Q. sd15)

your name, photo, age, and nationality must be clearly visible.
The remaining data could be masked.

Author NAOKI KOUDA

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