價格：免費
檔案大小：17.9 MB
版本需求：需要 iOS 8.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Sujiko has been called "the double espresso form of Sudoku, an intense shot of intelligent puzzling in a compact form".
The idea is simple : place the numbers 1-9 in the spaces so that the number in each circle is equal to the sum of the four surrounding spaces.
Happy puzzling!
支援平台：iPhone, iPad