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  • #: 181200
  • Price: $1.99 In Apple Store
  • Category: Games
  • Updated: 2011-03-14
  • Current Version: 1.1
  • 1.1 (iOS 4.0 Tested)
  • Size: 12.50 MB
  • Language: English, Korean
  • Seller: Jung Hyeonku
  • Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 3.0 or later
  • © "2010 NKsoft"
  •  Add to Favorite apps




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Have you ever thought that you can improve your brain through the game?

The answer is ‘YES’ and it is ‘iStein

The most interesting and exciting brain training game which would be called ‘iStein

According to Professor Ryuta in Japan, with doing simple ‘the four fundamental arithmetic operations’ only 3 minutes per day for a month, it would help to improve memory and the faculty of speech.

Before 5 minutes to start your work and study, just enjoy your time with ‘iStein

You will feel the improvement of your work and efficiency of the study


The purpose of the game is to help ‘iStein to escape from the Mathematics planet

This game is based on the four fundamental arithmetic operations, it can be joyful and lead to activate the brain.

The player would be required not only calculating but also finding out the numbers that may bring the benefits to the player.

The level of difficulties would be different between the planets

1.Station: player would be learnt the overall game rules

2.Desert planet: easy stage

3.Green planet: normal stage

4.Volcano planet: hard stage

5.Despair planet: score mode


-The four fundamental arithmetic operations for the game will be required

-Five different planets

-Items with different features

-Simple control methods

-Various action of the character

※※ 1st Gen iPod touch is not compatible. ※※

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Rated 4/5 based on 3 customer reviews.


4/5 stars


I just play again. again. again.
Have enjoy!

5/5 stars


Nice game…I play it often

5/5 stars


I think that this game is so difficult that I feel getting irritated but I make sure that it makes me having a good feeling whenever I clear off.


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The information may be outdated (2011-04-23 10:48:00). For actual information go to iTunes

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