Arif Zaman
The best that I found. No ads, great clean user interface. I have one feature request that would make this even better. At a point where I am forced to guess, I would like to be able to do a marker. If later I come across am impossibility, I would like to be able to say "undo to last marker". With multiple markers, this would allow multiple levels of guess work.
A Google user
Love the fact that this app requires no permissions and would gladly even pay for it. Downside is on the two hardest settings, many times the puzzles are not solvable without guessing after getting so far. Even with adding notations, you essentially need to remember when you started guessing and then if you guessed wrong, hit undo until you started the guess and then change it. IMO, it takes the fun out of it.
12 people found this review helpful
Mark Robison
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I've been using this app since 2016. It's the best Sudoku game I've come across yet. No ads, no internet access needed. Unlimited games, choose your difficulty level, it works flawlessly. Highly recommend! 2021 update. Now the numbers change from blue to green as each number is completely solved. I love this enhancement. My clearing time is definitely helped by this improvement. Thanks to the devs. I didn't think you could improve on an already awesome game but you did. Still my favorite sudoku!
7 people found this review helpful