# 16x16 Giant Sudoku — Brain Relaxing Logic Puzzles > 16x16 Sudoku puzzle game with advanced tools and multiple difficulty levels. (iPhone/iPad app by Kunjeshkumar Virani.) - Source: https://appshunter.io/ios/app/16x16-giant-sudoku/id6751873523 (this page in markdown: same URL + `.md`) - Developer: [Kunjeshkumar Virani](https://appshunter.io/developer/1837351967) - Category: Games, Board, Puzzle - Price: Free with in-app purchases - Rating: 4.82/5 from 38 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 18.6 · 39 MB - Languages: American English, Arabic, Bangla, Bulgarian, Croatian, Czech, Danish, Dutch, Finnish, Canadian French and 31 more - Released: 2025-10-22 - Data updated: 2026-10-30 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/16x16-giant-sudoku/id6751873523/reviews.md ## What is 16x16 Giant Sudoku? 16x16 Giant Classic Sudoku — the supersized Sudoku game your brain has been waiting for. Love classic Sudoku but ready for something bigger? This 16x16 Sudoku stretches the puzzle you already enjoy into a giant grid — 256 cells of calm, focused logic. Whether you have five quiet minutes with your coffee or a long evening to unwind, Giant Sudoku is built to relax your mind and sharpen it at the same time. Each puzzle uses digits 1–9 plus letters A–G, and every puzzle has exactly one solution. Same Sudoku rules you know: no number repeats in any row, column, or 4x4 block. Simple to learn. Wonderfully deep to master. Exclusive features you won't find in a regular Sudoku app: - Horizontal Game Mode — a fresh way to play that fits the giant grid - 2-Row Number Pad — no scrolling to find the number you need - Find Easy/Hard — see which numbers are easiest and toughest to place - Master Erase — clear every wrong number in one tap - Focus Mode — hide everything except the board - Sticky Notes — keep pencil marks tidy on a crowded 16x16 grid - Pick-Drop — place the same number in many cells without re-selecting - Adaptive Grid Insights — a complete read of the board, saves you minutes - Jumbo Fill — strategically fill multiple cells at once - Grid Zoom — pencil notes stay crisp and easy to read - RCB Filter — filter visible numbers by Row, Column, or 4x4 Block - Solving Efficiency — see your completion percentage in real time - Activity Monitor — track how you're using each feature - 3 Number Patterns — 1–9 & A–G, 0–9 & A–F, or A–P Classic Sudoku features, refined: - 6 difficulty levels — Light, Easy, Medium, Hard, Expert, and Legend - Daily Challenges — a fresh 16x16 Sudoku puzzle every day - Pencil Mode & Fast Pencil — toggle hints, or fill all possibilities in one tap - Intelligent Pencil Pad — illegal numbers won't appear as notes - Highlight Duplicates & Incorrect — gentle guidance, not hand-holding - Puzzle Hints — for those moments when you're truly stuck - Eraser & Undo — unlimited, always - Day & Night themes — easy on the eyes, morning or evening Built for comfortable, everyday play - Unlimited Hints, Undos, Erases, Pencils, and FastPen - Auto-Save so you never lose progress - Pause, restart, or resume anytime - Journey Book — a calendar view of your solving journey, so you can look back at the days you played and the puzzles you finished. Prefer to keep things simple? Turn it off anytime. - Sound and vibration toggles - Full control over what's visible — tools, number pad, mistakes, score - A clean, friendly board layout that respects your screen - No full-screen or disruptive ads while you're solving Track your journey:- For every level of 16x16 Giant Sudoku, the app keeps a quiet record of total games played, best win streak, best time, and feature usage. Plus 47 Challenges to unlock and 6 Leaderboards to climb. Game Center, if you want it:- Compare your best times on Game Center leaderboards, unlock achievements as you progress, and see how you stack up against Sudoku players around the world. Prefer to solve in private? Game Center reporting can be turned off with a single tap. Who it's for? If you grew up on classic Sudoku in the newspaper, this is Sudoku grown up with you. If you're new to puzzles, the lighter difficulties are a gentle place to start. From teenagers looking for a real mental workout to lifelong solvers who've outgrown the 9x9 grid — Giant Sudoku meets you where you are. Pour a cup of something warm. Settle in. Make your mind sharp again — one square at a time. Terms of Use: https://gujmcq.in/tos Privacy Policy: https://gujmcq.in/privacy-policy Contact: contact@gujmcq.in ## Key features - 16x16 Epic Grids - Innovative Horizontal Game Mode - Exclusive Erase All Wrong Tool - Adaptive Grid Insights - 6 Difficulty Levels - Daily Challenges - Multiple Number Patterns ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Weekly Premium Subscription | $0.99 | per 7 days | | Yearly Subscription | $19.99 | per year | ## Is 16x16 Giant Sudoku safe? 16x16 Giant Sudoku appears safe based on user ratings. The AppsHunter Safety Score for 16x16 Giant Sudoku is 87 out of 100. This assessment is based on 38 user ratings, with an App Store average of 4.8 out of 5. Of 38 App Store ratings, 97.4% point to a safe experience, 2.6% suggest some concerns, and 0.0% point to a risky experience. ## Is 16x16 Giant Sudoku legit? 16x16 Giant Sudoku appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for 16x16 Giant Sudoku is 73 out of 100 points across 7 verification signals from App Store and developer data. ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/16x16-giant-sudoku/id6751873523/reviews.md ### 5/5 — Mrs Galia *2026-08-03* Very good! **Developer response:** Thanks so much for the kind words and the 5 stars! Really glad you’re enjoying the app. 🙌 ## Frequently asked questions about 16x16 Giant Sudoku ### What makes 16x16 Giant Classic Sudoku different from other Sudoku apps? This app features supersized 16x16 grids, which are larger than standard Sudoku. It also includes exclusive tools like 'Erase All Wrong' and 'Adaptive Grid Insights' to enhance gameplay and offer a more advanced brain workout. ### Does 16x16 Giant Classic Sudoku have ads? Yes, this app contains advertisements. It is offered for free, with options for in-app purchases. ### What are the different difficulty levels in 16x16 Giant Classic Sudoku? The app offers six difficulty levels: Light, Easy, Medium, Hard, Expert, and Legend. This caters to a wide range of players, from beginners to advanced Sudoku masters. ### Can I play 16x16 Giant Classic Sudoku offline? The provided data does not specify offline play capabilities. However, many puzzle games of this nature are designed to be playable without an internet connection. ### What are the number patterns supported in 16x16 Giant Classic Sudoku? The app supports three number patterns: I) 1-9 & A-G, II) 0-9 & A-F, and III) A-P. This offers variety in how puzzles are presented and solved. ### How often is 16x16 Giant Classic Sudoku updated? The app was last updated on May 12, 2026, indicating active development. This suggests regular updates are likely to introduce new features or improvements. ### What devices can I play 16x16 Giant Classic Sudoku on? The app is supported on iPhones and iPads. It is designed for mobile devices within the Apple ecosystem. ### What is the age rating for 16x16 Giant Classic Sudoku? The app has an age rating of 4+. This indicates it is suitable for children and adults alike, focusing on general puzzle-solving skills. ## Version history (last 5 releases) ### 55 — 2026-10-27 Fixed: The session-hint section of the Cell Insights feature. Redesigned: Hexagons in the Goal tab. New: Reduced the brightness of the number-pad numbers in dark mode. New: Reduced the brightness of inactive RCB filters. New: When switching to Focus mode or Zoom mode, you will see a dialog to choose the background. Fixed: Improper layout in iPad’s split view. New: Added sound effects for board-begin, number-pad, tool-press, RCB-filter, and completion of a row, column, or 4x4 block. New: Weekly plan is now available. Redesigned: In portrait orientation, Sticky Notes now appear at the top-left corner instead of directly above the board. Redesigned: When 2-Rows mode is on, completed or filtered numbers are now disabled instead of removed, so the layout no longer shifts frequently. New: The Unlock Solution page now appears on the same page. New: Only the Sudoku board is shown when Master Erase and Jumbo-Fill are active. Redesigned: During gameplay, the session clock no longer stops when you move to the background or switch to another app. It stops only when you explicitly press the pause button, so not pausing may affect your score. Fixed: On iPad, the back button no longer goes behind the navigation buttons on iOS 26.0 and newer. New: 2-Rows mode is now enabled on iPad devices. Overall UI improved. Bugs fixed and performance improved. ### 54 — 2026-09-21 Bugs fixed and performance improved. ### 53 — 2026-09-18 Added support for iOS 27. Bugs fixed and performance improved. ### 51 — 2026-08-07 New: Added support for Keyboard. Now you can press any number or use any tool using Keyboard keys. Visit Settings -> Keyboard Support for detailed information. Bug fixed: RCB Filter set to OFF upon orientation change. Bugs fixed and performance improved. ### 50 — 2026-07-28 New: Added support for Keyboard. Now you can press any number or use any tool using Keyboard keys. Visit Settings -> Keyboard Support for detailed information. Bug fixed: RCB Filter set to OFF upon orientation change. Bugs fixed and performance improved. ## Apps similar to 16x16 Giant Sudoku | App | Rating | Price | Category | | --- | --- | --- | --- | | [Sudoku - 4x4 6x6 9x9 16x16](https://appshunter.io/ios/app/sudoku-4x4-6x6-9x9-16x16/id6738051555) | 4.8 (37) | Free | Games | | [Sudoku 16x16 Game](https://appshunter.io/ios/app/sudoku-16x16-game/id554597850) | 2.2 (15) | Free | Games | | [Flex Sudoku](https://appshunter.io/ios/app/flex-sudoku/id1643590351) | 3.1 (8) | Free | Games | | [Sudoku Plus - Number Puzzles](https://appshunter.io/ios/app/sudoku-plus-number-puzzles/id6446406315) | 4.0 (2) | Free | Games | | [Giant Sudoku](https://appshunter.io/ios/app/giant-sudoku/id6747754836) | 4.8 (6) | Free | Games | | [Sudoku Infinity 4x4–16x16](https://appshunter.io/ios/app/sudoku-infinity-4x416x16/id6759197604) | — | Free | Games | ## More apps by Kunjeshkumar Virani - [Sudoku - Mind Puzzle Game](https://appshunter.io/ios/app/sudoku-mind-puzzle-game/id6753909868) - [6x6 Mini Sudoku Puzzles](https://appshunter.io/ios/app/6x6-mini-sudoku-puzzles/id6754877915) - [Photo Collage Maker - Sehory](https://appshunter.io/ios/app/photo-collage-maker-sehory/id6759287698) All apps by Kunjeshkumar Virani: https://appshunter.io/developer/1837351967 ## Related topics [sudoku 16x16](https://appshunter.io/ios/topics/sudoku-16x16) · [sudoku 16x16 game](https://appshunter.io/ios/topics/sudoku-16x16-game) --- *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 2026-10-30.*