3 stars: Quite buggy - happens 50% of the time that after I complete an Easter level, instead of a \
5 stars: I'm 45 and have NEVER played sudoku before a few weeks ago when my son brought a puzzle home as a math assignment. Kinda got me hooked on the logic of it. I get frustrated when I don't understand why the hints work, eg; \
4 stars: Update.....the new version deserves an extra star. With a few minor fixes this would be a 5 star great game. Admittedly I can solve 1 issue by paying for the game and I'm going to do that. Sometimes I just link to the play store in the middle of a game, the ad at the bottom of the screen seems to be the culprit. Moving the three error splash screen to uncover the playboard would solve the other issue.
5 stars: Excellent app for learning the harder techniques. I always play the hardest level and some of them are too easy. I sometimes get the buttons wrong and get told I made a mistake. There should be an option to ignore mistakes. They reveal themselves as you continue to play the puzzle.
3 stars: The game is ok but too easy. The issue is that when you made a wrong number it turns red indicated that you made a mistake. I turned off everything in the option but it still show the red highlight. This means no matter difficulty you play the red indicator made the game too easy.
4 stars: This is a very good version of Sudoku, with several skill levels, lots of options and fairly clear layout of controls. A few ads, but generall...