Sudoku Classic APK 1.3.1

5 stars: Simple interface, available offline, with removable help features to target desired challenge level and ads that are almost unnoticeable and don't spoil the game.
5 stars: This games helps me keep my mind in shape. The more I play, the more I exercise it. Very good they way it is configured digitally. I like the way it works.
4 stars: Sometimes the game squares opens in a smaller window similar to 1 handed version of the phones regular screen. But it is not in that mode. The touch doesn't line up with the smaller version. I have to guess where to hit yes to exit. I doesn't do it all the time but when it does it will never open full screen again. I uninstall and reinstall until it does it again. It only started doing this 4 to 6 months ago. Samsung S20 Feb
3 stars: I would give it more stars however way to many ads. No need to spam ads after every single game, jesh cut us some slack from the ads. It does not make want anything that is on the ads.
3 stars: overall it's a good game. just would like to get some clues sometimes.
2 stars: Like the operation but character colours could be better...perhaps provide a config choice? BUT BIG Issue is evil level constantly freezing and not recovering before completion. Usually after I've wasted more than an hour....JUST before I completed. Happens more than 50% of the time...no way to recover the game status and no way to debug or log to view. Really frustrating.
2 stars: Each time have to pick up digit a