# Sudoku - Math Number Games — Classic sudoku brain puzzle > Advanced Sudoku puzzles for experienced players focused on brain training. (iPhone/iPad app by 天一 邓.) - Source: https://appshunter.io/ios/app/sudoku-math-number-games/id1664637690 (this page in markdown: same URL + `.md`) - Developer: [天一 邓](https://appshunter.io/developer/1056154014) - Category: Education, Entertainment - Price: Free with in-app purchases - Rating: 4.33/5 from 6 App Store ratings - Age rating: 4+ - Requires: iOS 15.0 · 10 MB - Languages: Dutch, English, French, German, Italian, Japanese, Korean, Chinese, Spanish, Chinese and 1 more - Released: 2023-03-01 - Data updated: 2026-08-15 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/sudoku-math-number-games/id1664637690/reviews.md ## What is Sudoku? What is Sudoku Evil? Sudoku evil is a 9×9 grid sudoku puzzle with the highest possible level of difficulty. It’s an advanced level only for experienced sudoku solvers. Simple logic and basic knowledge of sudoku rules won’t cut it – you as a player should know advanced sudoku solving techniques and understand how to apply them in practice. Even though evil sudoku is an extremely difficult game level, many experienced players find it the best way for brain training and developing mental skills. How to solve Sudoku Evil? The principle of the solution is the same as in the classic Sudoku. The goal is to fill the grid, so that each row, column, and 3x3 block contain all the digits from 1 to 9 without repeating. But in Evil Sudoku, there are much fewer numbers on the grid at the beginning. There's going to be only 4 or even fewer numbers. This fact makes the evil sudoku level extremely difficult to solve. The best way to solve the evil sudoku puzzle is to start with the blocks where there are more prearranged numbers. Such blocks are easier to complete compared to the ones with fewer numbers. Evil Sudoku Solving Techniques While it's totally fine to play sudoku intuitively on the easy levels, evil sudoku requires the knowledge of some strategies. Here is the most popular one for solving sudoku on the evil level. Playing sudoku evil online has a lot of advantages. While solving sudoku, your brain exercises logic, learns to make decisions, and puts your memory to the test. Regularly playing evil sudoku is a good method of improving your concentration. Play 1 or 2 evil sudoku games every day and you will not have any problems with losing focus while doing important things. Moreover, sudoku develops analytical skills and thinking. Regular game practice will teach you to pick up mental thinking models from sudoku and use them in real life while analyzing different situations. ## Key features - Evil difficulty level - Advanced solving techniques - Brain training exercises - Improved concentration - Analytical skill development - Logic and decision-making practice ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Suduko PRO | $2.99 | one-time | ## Frequently asked questions about Sudoku ### What is Sudoku - Math Number Games? Sudoku - Math Number Games is an educational app that provides a challenging Sudoku experience. It features an 'Evil' difficulty level designed for experienced players, requiring advanced techniques to solve. ### Is Sudoku - Math Number Games suitable for beginners? The 'Evil' difficulty level is specifically designed for experienced Sudoku solvers who are familiar with advanced techniques. Beginners may find this level too challenging. ### How does Sudoku - Math Number Games help with brain training? Playing Sudoku - Math Number Games exercises logic, improves decision-making skills, tests memory, and enhances concentration. Regular play can help develop analytical thinking applicable to real-life situations. ### What is the 'Evil' difficulty level in Sudoku - Math Number Games? The 'Evil' difficulty level presents a 9x9 grid with very few pre-filled numbers (4 or fewer). This makes it extremely difficult and requires advanced Sudoku solving strategies. ### Does Sudoku - Math Number Games have ads? Yes, Sudoku - Math Number Games contains advertisements. This is common for free apps that offer in-app purchases. ### What devices does Sudoku - Math Number Games support? Sudoku - Math Number Games is available on iPhone, iPad, and iPod. It is rated for ages 4 and up. ### How often is Sudoku - Math Number Games updated? The latest version of Sudoku - Math Number Games is 1.0.10, last updated on October 9, 2023. This indicates a relatively recent update frequency. ### What is the user sentiment for Sudoku - Math Number Games? Based on the available data, Sudoku - Math Number Games has a rating of 4.3 stars from 6 ratings, suggesting generally positive user feedback for its challenging gameplay. ## Version history (last 5 releases) ### 1.0.10 — 2023-10-09 Improve stability ### 1.0.9 — 2023-08-17 Improve stability ### 1.0.8 — 2023-07-13 Improve stability ### 1.0.7 — 2023-06-26 Improve stability ### 1.0.6 — 2023-06-22 Bug fixed ## Apps similar to Sudoku | App | Rating | Price | Category | | --- | --- | --- | --- | | [舒尔特·学成语](https://appshunter.io/ios/app/id1444444593) | — | Free | Education | | [Learn Animals with Sound](https://appshunter.io/ios/app/learn-animals-with-sound/id733494523) | — | Free | Education | | [AR戏唐宋](https://appshunter.io/ios/app/ar/id1551932908) | — | Free | Education | | [小丁同学老师-教学助手](https://appshunter.io/ios/app/id1542888001) | — | Free | Education | | [每日英语 - 成人英语学习软件](https://appshunter.io/ios/app/id6449766650) | 4.8 (5) | Free | Education | | [二级造价师练题狗-造价工程师考试学习助手](https://appshunter.io/ios/app/id1585115549) | 5.0 (1) | Free | Education | ## More apps by 天一 邓 - [家常菜谱大全 -美食杰出大师倾心打造的营养保健健康食谱](https://appshunter.io/ios/app/id1056154015) - [Stick World -To become millionaire and billionaire in the hungry shark world with the stick](https://appshunter.io/ios/app/stick-world-to-become-millionaire-and-billionaire-in-the-hungry-shark-world-with-the-stick/id1067632913) - [电视节目表 -电视节目时刻表 春节电视预告](https://appshunter.io/ios/app/id1079237976) - [人民币大小写转换器 -大写金额转换器](https://appshunter.io/ios/app/id1080937826) - [Super run - to become sky dancer](https://appshunter.io/ios/app/super-run-to-become-sky-dancer/id1084203997) - [电视报 －电视剧，足球，篮球比赛时间预告](https://appshunter.io/ios/app/id1129657033) All apps by 天一 邓: https://appshunter.io/developer/1056154014 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-15.*