# Sudoku Royale: Classic, Killer — Classic, Killer & Mini Sudoku > Classic, Killer & Mini Sudoku (iPhone/iPad app by Vladimir Rodzaevskiy.) - Source: https://appshunter.io/ios/app/sudoku-royale-classic-killer/id6757281550 (this page in markdown: same URL + `.md`) - Developer: [Vladimir Rodzaevskiy](https://appshunter.io/developer/1838906311) - Category: Games, Puzzle - Price: $3.99 - Age rating: 4+ - Requires: iOS 18.6 · 2 MB - Languages: Russian, American English, European Spanish, Italian, Korean, German (Germany), Brazilian Portuguese, Chinese (Simplified, China), French (France), Japanese - Released: 2026-01-07 - Data updated: 2026-10-31 ## What is Sudoku Royale? Sudoku Royale is a beautiful, pure number puzzle — no ads, no subscriptions, no tricks. Just you, the grid, and the quiet satisfaction of pure logic. 5 GAME MODES • Classic 9x9 — the timeless sudoku • Killer — cages and sums for a deeper challenge • Diagonal X — the two diagonals must be solved too • Mini 4x4 & 6x6 — quick, cozy grids 6 DIFFICULTY LEVELS From Beginner to Master. Every board is generated with a guaranteed unique solution, solvable by logic alone — never by guessing. MAKE IT YOURS Switch between 6 stunning themes that restyle the ENTIRE app — deep neon, clean light, ocean, forest, sunset and zen wood — plus multiple digit styles. PLAY & PROGRESS • Daily Challenge with streaks • Game Center leaderboards & achievements • Smart hints, pencil notes, unlimited undo/redo • Detailed stats and best times PREMIUM, FOREVER One simple purchase. No ads. No subscriptions. No internet needed — play anywhere. Sharpen your mind, one elegant grid at a time. ## Is Sudoku Royale safe? Not enough ratings yet to assess Sudoku Royale. ## Is Sudoku Royale legit? Sudoku Royale: Classic, Killer appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Sudoku Royale is 65 out of 100 points across 7 verification signals from App Store and developer data. ## Version history (last 5 releases) ### 2.0 — 2026-10-30 A gorgeous new look and more ways to play! • Brand-new neon "4D" design across the whole app • 6 themes you can switch anytime — each restyles everything • Classic, Killer, Diagonal X and Mini modes • Smoother, more tactile board and controls • Polish and fixes throughout No ads, no subscriptions — enjoy! ### 1.3 — 2026-09-14 New name: we're now Swordfish (formerly Sudoku Zen) — same great Sudoku, fresh look! Big update! Sudoku Zen is now a one-time purchase - every mode and difficulty is unlocked, with no ads and no subscriptions. - All 5 modes: Classic, Killer, Diagonal, Mini 4x4 & 6x6 - 6 difficulties from Beginner to Master - A fresh, modern glass look - Fair daily challenge - the same puzzle for everyone - 5 free hints every day - Faster, more reliable timer Thank you for playing! ### 1.2 — 2026-02-02 Bug fixes and stability improvements. ### 1.1 — 2026-01-13 New Zen theme with Japanese wooden design and elegant typography. Improved stability and performance. Fixed puzzle validation for Killer and Diagonal modes. Enhanced notes display for 6x6 puzzles. Minor bug fixes. ### 1.0 — 2026-01-08 No release notes. ## Apps similar to Sudoku Royale | App | Rating | Price | Category | | --- | --- | --- | --- | | [McDOKU Sudoku](https://appshunter.io/ios/app/mcdoku-sudoku/id6769259093) | — | Free | Games | | [Sudoku Circuit](https://appshunter.io/ios/app/sudoku-circuit/id6756782992) | — | Free | Games | | [Sudoku Prime: Number Puzzle](https://appshunter.io/ios/app/sudoku-prime-number-puzzle/id6771491127) | — | Free | Games | | [Sudoku welt](https://appshunter.io/ios/app/sudoku-welt/id6756973261) | — | Free | Games | | [Cosmoku Sudoku](https://appshunter.io/ios/app/cosmoku-sudoku/id6774308953) | — | Free | Games | | [Sudoku Ultimato](https://appshunter.io/ios/app/sudoku-ultimato/id6755356402) | — | Free | Games | ## More apps by Vladimir Rodzaevskiy - [SuperFacts: Planet Knowledge](https://appshunter.io/ios/app/superfacts-planet-knowledge/id6752328453) - [SnapResizer](https://appshunter.io/ios/app/snapresizer/id6753068831) - [PDF: Merge Split Scan Sign](https://appshunter.io/ios/app/pdf-merge-split-scan-sign/id6753191432) - [Golden Golf: Scorecard](https://appshunter.io/ios/app/golden-golf-scorecard/id6753714901) - [Screen Genie](https://appshunter.io/ios/app/screen-genie/id6754519391) - [Prompt Genie: AI Prompts](https://appshunter.io/ios/app/prompt-genie-ai-prompts/id6754800804) All apps by Vladimir Rodzaevskiy: https://appshunter.io/developer/1838906311 --- *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 2026-10-31.*