# Killer Sudoku 6x6 — Cage Puzzles on a 6×6 Grid > Addictive 6x6 Killer Sudoku puzzles with beginner guides and customizable themes. (iPhone/iPad app by Isaac Matarasso.) - Source: https://appshunter.io/ios/app/killer-sudoku-6x6/id6761444537 (this page in markdown: same URL + `.md`) - Developer: [Isaac Matarasso](https://appshunter.io/developer/1888271852) - Category: Games, Puzzle - Price: Free with in-app purchases - Rating: 5.00/5 from 5 App Store ratings · 5 written reviews indexed - Age rating: 4+ - Requires: iOS 17.0 · 5 MB - Languages: English - Released: 2026-04-09 - Data updated: 2026-07-04 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/killer-sudoku-6x6/id6761444537/reviews.md ## What is Killer Sudoku 6x6? Killer Sudoku 6×6 — Big Brain, Small Grid Love Killer Sudoku but don't always have time to spare? Meet the 6×6 grid — all the addictive cage-sum puzzling of traditional Killer Sudoku, sized perfectly for the moments you actually have. A full puzzle fits between meetings, errands, appointments, or stops on your commute. Start, solve, feel the satisfying click of completion — all in one sitting. WHAT IS KILLER SUDOKU? Fill the 6×6 grid so every row, column, and 2×3 box contains the numbers 1–6. But there's a twist — cells are grouped into cages with a target sum. The numbers in each cage must add up to the target, with no repeated digits. It's Sudoku meets math, and it's wonderfully addictive. NEW TO KILLER SUDOKU? No problem. A built-in beginner guide walks you through the rules step by step — from basic Sudoku logic to cage strategies. Start with Beginner difficulty and you'll be solving puzzles in minutes. QUICK TO START. SATISFYING TO FINISH. With fewer digits and a smaller grid, each move feels consequential and the path to victory stays visible. Beginners grasp the rules in minutes. Experts chase personal best times. Everyone walks away with that little hit of "I solved it." 5 DIFFICULTY LEVELS + RANDOM • Beginner — Perfect for learning the ropes • Easy — A gentle challenge • Medium — Where the fun really starts • Hard — For experienced puzzle solvers • Expert — Only for the brave • Random — Feeling lucky? Let the app choose POWERFUL TOOLS • Pen & Pencil modes with circled candidate marks • Smart pencil marks — auto-fill candidates or let the app remove impossible ones as you solve • Built-in calculator with cage-tap integration and running totals • Cage combinations reference for 2, 3, 4, and 5-cell cages • Save up to 50 puzzles and resume where you left off • Full undo & redo history • Check for mistakes, Reveal when stuck • Hardware keyboard support on iPad with full shortcut overlay MAKE IT YOURS • 6 color themes — Gray, Teal, Blue, Brown, Green, Purple • Dark mode — follows your system setting or choose manually • Haptic feedback for a satisfying tactile experience • Optional timer with best time tracking per difficulty • Completion stats and personal records PLAY OFFLINE Everything runs on your device. No internet required, no ads, no data collection. Your progress saves automatically. Try 3 free puzzles at each difficulty. Love it? Unlock unlimited play with a single one-time purchase — no subscriptions, ever. ## Key features - 6x6 grid Killer Sudoku - Beginner guide included - 5 difficulty levels + random - Pen & Pencil modes - Built-in calculator - Offline play - 6 color themes & dark mode ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Unlock Unlimited Play | $2.99 | one-time | ## Recent user reviews (5 of 5) All indexed reviews: https://appshunter.io/ios/app/killer-sudoku-6x6/id6761444537/reviews.md ### 5/5 — Sudoku newbie *2026-04-16* As someone who has never played sudoku, I found this game to be fun, exciting and a great way to learn the game! It looks like it will keep me engaged as my skills grow. I can’t wait to see what comes next! ### 5/5 — Great game *2026-04-13* Sudoku if it was awesome ### 5/5 — Sudoku done right! *2026-04-12* I don’t usually write reviews, but this app forced my hand — in a good way. Imagine if Howard Garns, coffee, productivity, and pure genius had a digital baby — that’s this app. It’s a no-nonsense gem that strips Sudoku down to its addictive core — simple 6x6 grids with clever cage sums, no bloat. Just pure logic puzzles that hook you fast. The interface? Smoother than a dolphin wearing sunglasses. The features? So intuitive my dog could play (and she’s terrible with technology). If you want an app that actually does what it says, looks great while doing it, and maybe even raises your IQ a few points grab this one! ### 5/5 — Really cool game! *2026-04-12* I had fun playing this even though I was new to playing. It was so easy to understand. 😆 ### 5/5 — Killer sudoku *2026-04-10* A great game. Good instructions. I love the pencil marks. The circles help the numbers stand out a bit. You can even select the color of the board! I'd give 6 out of 5 stars if I could. ## Frequently asked questions about Killer Sudoku 6x6 ### What is Killer Sudoku 6x6? Killer Sudoku 6x6 is a puzzle game where you fill a 6x6 grid so that each row, column, and 2x3 box contains numbers 1-6. Cells are grouped into cages with target sums that the numbers within must add up to, without repetition. ### Is Killer Sudoku 6x6 good for beginners? Yes, Killer Sudoku 6x6 includes a built-in beginner guide that walks you through the rules and strategies step by step. You can start with the Beginner difficulty level to learn the game quickly. ### How many difficulty levels does Killer Sudoku 6x6 have? Killer Sudoku 6x6 offers five distinct difficulty levels: Beginner, Easy, Medium, Hard, and Expert. It also includes a 'Random' option for a unique challenge each time. ### Can I play Killer Sudoku 6x6 offline? Yes, Killer Sudoku 6x6 is designed for offline play. All features and puzzles run on your device, meaning you don't need an internet connection to play, and your progress saves automatically. ### Does Killer Sudoku 6x6 have ads? No, Killer Sudoku 6x6 is ad-free. The description explicitly states 'no ads, no data collection,' ensuring an uninterrupted puzzle experience. ### How much does Killer Sudoku 6x6 cost? Killer Sudoku 6x6 is free to download and offers three free puzzles at each difficulty level. To unlock unlimited play, there is a single one-time purchase, with no subscriptions required. ### What tools are available in Killer Sudoku 6x6? The app provides powerful tools including Pen & Pencil modes with candidate marks, smart pencil mark auto-filling, a built-in calculator with cage-tap integration, cage combination references, and full undo/redo history. ### How often is Killer Sudoku 6x6 updated? The latest version of Killer Sudoku 6x6 is 1.1.4, which was last updated on May 1, 2026. This indicates a recent update, suggesting ongoing support and potential for future improvements. ## Version history (last 3 releases) ### 1.1.4 — 2026-05-01 A small polish update: - Finished a puzzle with the timer hidden? The completion screen now offers a "Show my time" button — and lets you save it as a best time if it qualifies. - Check now shows "No errors found" when the grid is clean. - New keyboard shortcut: "C" toggles the calculator (iPad). - Subtle haptic flourish when you complete a puzzle. - Various small UX improvements. Thanks for playing! ### 1.01 — 2026-04-10 Bug fixes, improved documentation, and enhanced keyboard support ### 1.0 — 2026-04-09 No release notes. ## Related topics [killer sudoku 6x6](https://appshunter.io/ios/topics/killer-sudoku-6x6) --- *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 2026-07-04.*