Suko (English) app for iPhone and iPad
4.6 (
7456 ratings )
Games
Puzzle
Developer:
Kobayaashi Studios
Free
Current version:
1.0, last update: 6 years ago
First release : 12 Dec 2017
App size: 17.23 Mb
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, and each colour total is correct.
Happy puzzling!