United StatesSudoku Extreme is a beautiful way to experience classic Sudoku puzzles for both beginners & advanced players! It's a great way to keep your mind active while relaxing to pass time. Each puzzle has only one solution. The puzzle comes with a few cells pre-filled. Your job is to fill the remaining empty cells. Fill the empty cells with numbers 1-9 in a way that each row, column and block (3x3 cells) only contains a single instance of the number 1-9. - No ads. No subscriptions. - 6 levels - beginner, easy, medium, hard, unfair and extreme. - It is highly customizable with many beautiful themes as well as settings to customize the app exactly the way you like it. App comes with both light and dark amoled themes to be comfortable on your eyes! - The simple to use notes and hint features help you if you get stuck but we encourage spending time trying to figure out the puzzles without using hints. Cells filled with use of hints don't get any points. - Haptic feature gives a positive vibration when correct and negative vibration when wrong answer is filled. This can be disabled in settings. - If you make a mistake you can use the undo, delete and redo buttons. Note that each mistake deducts points from your overall score. - Long press the undo button to restart the game - After a game is finished, you get your overall stats like total time spent, best time, average time, overall score, hints used, mistakes made etc. Sudoku Extreme also comes with a graph of how your scores progress over time. As you play more difficult levels, you get more score. Each higher level gives twice the number of points as the previous level. - Game can be paused and you can resume the previous game when you come back. - Sudoku Extreme can automatically pre-fill the notes and auto-remove them when they are used in a row, column or block. Though we encourage disabling this setting and filling it manually as it makes your brain more active! Manually filling notes also gets you extra points! - The quick fill feature lets you tap-and-hold a number and then simply tap cells and it will fill it with that number. - Numbers show how many instances of that number are left to be filled in the puzzle. When a number has been used 9 times correctly, it hides itself. You can disable this setting if you like. - You can swipe up/down to enter notes numbers quickly without having to enter edit/note mode (setting needs to be switched on) - "Export Scores" from the app. This can be used in Excel. - Advanced levels, Themes & Settings customization are part of a small one time only in app purchase. No subscriptions. No ads. I offer a beautiful app free of ads, subscriptions, trackers and analytics for the absolute best experience for my users. If you are enjoying the puzzles, please leave me a positive rating on the app store as that helps get the word out to others! You can also purchase the one time only small in app purchase to help support development and future updates! Hope you enjoy the puzzles! If you have any feedback or feature requests, please email Pran at: [email protected]
Why do I have to pay to take away all the bells and whistles?
I get more points if I don't use the pencil notations... but I have to subscribe to take them away! How can I decide if I am unable to take her for a test run?
United StatesResume unsolved puzzles feature!
I wish this app would save unfinished games so I could go back later and try to solve them. Once a new game is selected there is no history of previously unsolved games. The hints only reveal a square instead of offering a suggestion for the next possible move. The medium puzzles are waaaaay too hard considering the easy puzzles are a cake walk. I complement you on the dark theme. I would suggest two rows for the candidates at the bottom of the puzzle, it is too easy to press an incorrect digit. Also, a box around them looks nice. (See the NYT sudoku app) It would also be nice to have an on/off toggle for the automatic pencil candidates (also see NYT app)
United StatesUsed to be good
Ever since the update its way too easy. The features are great and I used to love this app. Was hoping it would go back to being challenging after some feedback from others. Anyone else feel the same? You have to pay to get the harder levels.
United StatesSO SAD but will leave 5 stars for now
This was by far the best Sudoku app I’ve played and after trying several it’s the only one I play! Love all the features, and because even the beginning two levels were so challenging I gained mad skills and was a way better player. BUT now with the recent update because of reviews, Pran listened to his audience (not a bad thing!) and made it much much easier. Now I can solve a puzzle in such a short amount of time and there is zero challenge! I don’t even have to use my brain at all! I haven’t looked into how much it is to unlock the higher levels but I can’t help feeling cheated and now I have to pay to get the same level of game I have been playing all this time? I don’t know if I can even trust that the higher levels are hard enough. It seems like a child’s game now. I’m so sorry to be writing this and I hope something changes. For now I’m leaving five stars because the developer deserves it but if it stays this way I won’t be playing anymore :(
United StatesProbably my favorite sudoku app
I’m enjoying this version of sudoku. Most of the features that are needed in a sudoku app are here. The hard puzzles are VERY challenging. I appreciate the automated pencil mark feature very much. The highlights are useful (though I do find some color themes to lack sufficient contrast). I have a few suggestions for improvement: The “coloring” technique is not an option on this app and it could be a very useful addition. I sometimes use a solver to learn more about the extremely difficult techniques. It would be nice to be able to export the board in its current solve state to make that easier. Or, maybe the hint option can give a tutorial on the technique used to move you ahead, rather than just exposing an answer.
United StatesSudoku EXT
Great game other then why can’t change any settings, should be able to change some of the settings. Totally star’s ⭐️⭐️
United StatesPay to play
Unless you’re looking for a version of sudoku that’s already filled in and doesn’t require any thought, you will have to pay. Some apps require you to progress though the tiers to unlock the next difficulty but this one doesn’t offer that. Beginner is the only free option
United States
"Use larger fonts for notes", "Use bold font for number", "Use bold font for notes"- Based on user feedback, optimized the beginner and easy level puzzles to be "easier". - Fixed a bug where the text would be invisible and you would get a blank screen. I value data privacy and therefore offer a beautiful app free of ads, subscriptions, trackers and analytics for the absolute best experience for my users. If you are enjoying the puzzles, please leave me a positive rating on the app store as that helps get the word out to others. You can also purchase the one time only small in app purchase to help support development and future updates! Hope you enjoy the puzzles! If you have any bug, feedback or feature requests, please email Pran at
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