250 Sudoku Puzzles 5 Difficulty Levels • Solutions Included More than just a Sudoku book. This collection features 250 carefully crafted Sudoku puzzles designed for every skill level, from complete beginners to experienced solvers. With 50 puzzles in each difficulty category—Beginner, Easy, Normal, Hard, and Expert—you can steadily build your skills or jump directly into the challenge that suits you best. Each puzzle has been generated with a unique seed and guaranteed to have a single valid solution. Complete answer keys are included at the back of the book. What makes this collection different is its connection to the companion Android app. Every Sudoku puzzle in this book can be recreated digitally using its unique seed code inside the companion application, allowing you to continue solving on your phone whenever you choose. Prefer paper? Solve in the book. Prefer digital? Enter the seed and play the exact same puzzle on your device. The companion app, Lumea Pro: Color Lab & Splash, includes: • Unlimited Sudoku Generation • Seed-Based Puzzle Sharing • Multiple Difficulty Levels • Pencil Notes • Smart Hints • Offline Gameplay • Ad-Free Sudoku Experience • Automatic Puzzle Solver • Additional Games and Utility Tools Together, this book and companion app give you access to far more than 250 puzzles. They provide a virtually endless Sudoku experience that can continue long after you've completed every page. Whether you're looking to improve concentration, strengthen logical thinking, relax after a busy day, or challenge yourself with increasingly difficult puzzles, this collection offers hours of rewarding entertainment. Solve on paper. Continue on your phone. Enjoy unlimited Sudoku possibilities. Published by HueMetric Lumea Studio
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