4 stars: Levels are good for me to relax - I play \
5 stars: Like that you can choose different skill levels. Sometimes you want more of a callenge, sometimes not.
5 stars: Almost no ads. No glitches. Really fun way to keep your mind sharp. Straight forward sudoku unlike other apps I've tried.
5 stars: I really love this version. Levels is a cool feature, and the highlights. I also like the fact you must be sure of your notes, at least by default it makes you stop, look and think.
5 stars: An interesting take on sudoku with the levels challenge. The daily puzzles and different difficulties also give me lots of options to play, a real good brain workout at different tiers for different times.
5 stars: Very good to pass the time and increases concentration, good for our mental health.
4 stars: At Medium level it's still quite challenging yet very enjoyable! 3error to be out from a game seems quite a hard ruling for a nine squares not just six easier gets me frustrated l\ud83d\ude1d
5 stars: Seriously, it's awesome.. Sometimes when it seems impossible to go further (difficult). I leave it, come back and get the answer.. It one of the most intelligent game Ive known. Makes you reason beyond normal.. Love it
4 stars: Expanding the mind.. Hardly any adds and dnt want to put it down
5 stars: Best sudoku app! Works great and you build up confidence with each level.
4 stars: Good app. I like the fact you can't put in all the possible number with...