Sudoku Calm - Learn & Play

Sudoku Calm is a quiet, clean sudoku game. No ads, no pop-ups, no data collection — just you and a good puzzle. HINTS THAT TEACH When you're stuck, tap Hint and it explains the next step like a tutor would: naked and hidden singles, pointing and claiming, pairs and triples, all the way up to X-Wing, Skyscraper, Two-String Kite, XY-Wing, XYZ-Wing and Swordfish. The relevant cells light up on the board, step by step. 42,500 CAREFULLY GRADED PUZZLES Every puzzle has a unique solution and a symmetric layout, and is graded by the hardest technique it actually requires: • Easy — basic scanning only • Medium — hidden singles and pointing • Hard — pairs and triples required • Expert — X-Wing, XY-Wing and other advanced techniques required FRIENDLY FOR BEGINNERS Your first Easy game starts with an interactive 8-step tutorial covering the rules and the most useful techniques. THOUGHTFUL DETAILS •…