Sudoku

Classic Sudoku, made to feel good on a phone. Fill the grid so that every row, every column and every 3×3 box contains the numbers 1 to 9. No maths, just logic. FAIR PUZZLES • Every puzzle has exactly one solution • Every puzzle can be solved by logic alone, you never have to guess • Four levels: Easy, Medium, Hard and Expert • Levels are graded by the solving techniques a puzzle needs, not just by how many numbers are given • New puzzles are made on your phone, so you never run out HELPFUL TOOLS • Notes: pencil in the numbers a cell could still be • Notes tidy themselves up when you place a number • Undo as many steps as you like • Hints when you are stuck • Mistakes are marked right away and counted • The row, column and box of your cell light up, along with every matching number • See how many of each number are still left to place MADE FOR PLAYING • Your game is saved automatically, continue whenever you like • A timer and best times for every level • 16 colour themes, 8 dark and 8 light • Sounds, haptic feedback and calm music that picks up as the board fills • Separate volume controls for sound and music, or turn them off entirely • Works offline • No ads, no account, no in-app purchases Start with Easy to learn the ropes, or go straight to Expert if you know your X-wings.