Sudoku with difficulty levels, a few puzzle options, and unobtrusive ads. I've put it on every phone for years
Very challenging with all the different levels
It's really addictive. Overall nice.
It's very good. Enjoy playing it.
Great game. Very relaxing. Would recommend.
Excelent To think better
v1.4: Fixed some crash bugs in the last update. Thanks.
You'll need logic and patience to solve the most popular puzzle game of all time