I can always win at the hardest level; I'd like an even harder level. I love the look of the game, easy to see and use.This is the easiest Sudoku to play and works flawlessly; I would like another layer of difficulty. I too can always win at the hardest level if I am paying attention.

Disappointing. I bought the game without playing it, based on my experience with another game from this developer. The grid is so monotone it can be difficult to see which sector you’re working in as the board fills up. The mechanics of selecting the number first, then the square is backwards from the other sudoku games I’ve played and not my preference. There’s no way to turn off the timer and I don’t like it reminding me of a “broken run” and FAIL if I make more than three mistakes. Sometimes you accidentally fat finger. I just want to play sudoku without it feeling like a competition. Not relaxing at all. I’ll know to play the ad version on games first to make sure I like it. Deleting this one.

I raced through the obligatory lower levels to get to expert rank which it would not allow me to choose sooner. So far I am judging there to be too many given clues for an expert level puzzle. Also, while I appreciate the ad supported model, which at least allows me to try before I buy, I am looking at a minimum 40 seconds between each sudoku of ads. On the plus side the banner ad in the puzzle is not situated in such a way as to cause you to accidentally click the ad.

This version of Sudoku has nice additional features like pencil marks and number highlighting. It forgives mistakes, which make it a bit easier. I wish it had a feature to turn off the mistake notification and the ability to rewind moves.