Shidoku

Shidoku is a relaxing, beginner-friendly puzzle game built around the classic 4x4 Sudoku (Shidoku) format — perfect for teens and adults who want to sharpen their logic skills without the overwhelm of a full 9x9 grid. Whether you're completely new to Sudoku or a seasoned solver looking for a quick brain workout, Shidoku eases you in with simple 1-4 puzzles and lets you progress naturally as your confidence grows. FEATURES - Clean, distraction-free 4x4 Sudoku puzzles using numbers 1-4 - Progressive difficulty — unlock new levels by earning stars, no pressure - Game Center integration for achievements and leaderboards - Fast, satisfying puzzle sessions — perfect for a quick mental break - Available in 11 languages: English, German, Spanish, French, Italian, Japanese, Korean, Dutch, Vietnamese, Simplified Chinese, and Traditional Chinese UNLOCK EVERYTHING Enjoy the game for free with light ads, or unlock the full experience with a one-time purchase — no subscriptions, no recurring charges. All levels can also be unlocked naturally through gameplay; the purchase simply lets you skip ahead if you'd rather play ad-free right away. WHY SHIDOKU? Most Sudoku apps jump straight into complex 9x9 grids that can feel intimidating. Shidoku strips the puzzle down to its essence, making it approachable for newcomers while still offering genuine logical challenge — a great way to introduce yourself or your family to the world of Sudoku. TERMS & PRIVACY Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://shidoku.youmindhub.com/privacy