Sora Sudoku

Make room for focus with Sora Sudoku, a thoughtfully designed puzzle journal for a quieter moment in your day. Enjoy classic 9 x 9 Sudoku in a warm, paper-inspired interface. Clear numbers, considered spacing, and gentle colors keep your attention on the puzzle. Switch to Evening Paper when you prefer a darker palette. PLAY AT YOUR OWN PACE Choose Easy, Medium, Hard, or Expert. Each level offers a different clue density, from a gentle start to a more open grid. Every generated puzzle is checked to have exactly one solution. Start a fresh puzzle whenever you want, or return to the daily page for a challenge based on your device's date. THOUGHTFUL TOOLS - Pencil in candidate numbers with Notes. - Undo a move, including changes to your notes. - Erase editable entries without disturbing the original clues. - Reveal one correct cell when you need a hint. - Spot repeated numbers with clear conflict highlights. - See how many of each number remain to be placed. A PRACTICE THAT FITS YOUR DAY Your current puzzle, notes, undo history, and playing time are saved automatically on your device. Pause whenever you need to; the clock also stops when you leave the app. Rotate your phone for a side-by-side puzzle layout. YOUR OWN PUZZLE JOURNAL Track completed puzzles and daily pages, and see your best time for each level. Best times are reserved for puzzles completed without hints. There are no lives to lose and no mistake limit, so you can take your time and keep learning. PRIVATE BY NATURE Sora Sudoku works entirely offline. There are no advertisements, accounts, subscriptions, in-app purchases, analytics, or tracking services. Your game data stays on your device. You can hide the clock, adjust number highlighting, and turn touch feedback on or off. One grid. Nine numbers. A fresh perspective.