Extreme Difficult Sudoku 2500

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There are 2500 extreme difficult sudoku puzzles! Free to play! Heat Your Brain!

For those of you who aren't satisfied with regular sudoku, we've put together a seriously perplexing puzzle collection!There are five categories to choose from—Normal, Cross, Jigsaw, Cross Jigsaw and Inequality—each with 500 puzzles each, for a total of 2500 puzzles!It's totally free to play!If you solve every puzzle, you may be able to become a genius!?

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Extreme Difficult Sudoku 2500 user reviews

There are loads of puzzles. I was only looking to do standard sudoku but options are there. Is it extreme? Some few puzzles are but every other one is 11 to 15 minutes on the hardest difficulty. I'm a bit smarter than the average bear so it's worth a look if you still think that's easy but it's not exactly what I was looking for. Nonetheless it's five stars. Ads are acceptable and the controls are good enough.

One of the best sudoku apps available. Literally thousands of puzzles, and the ads/monetization is very sparse. Offers a good range of difficulty, from easy/medium to some extremely difficult ones. Literally could not ask for a better free app. My only minor nitpicks are the controls could be a little more intuitive, and maybe some diverse UI options would be nice. Also if placing a number could auto clear candidates in the same block/row/column that would be cool.

I really like sudokus, these are challenging, exactly what I wanted. I don't know if this is something that can be changed, but every time I want to check if my number is in the right place, it shows that an ad isn't available. But everytime i finish one sudoku, suddenly an ad pops up...if it's not changeable I understand but it is annoying...thank you for a great game.

Really an amazing apps. Lots of level with wonderful puzzle. Could lessen the consistency of the ads though.

Very good brain teaser. I've had two strokes and these games have helped me regain my rational.

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