Sudoku Core: Number Puzzle

Classic Sudoku, with more room to think. Sudoku Core is a clean, offline number puzzle for a quiet break or a satisfying logic challenge. Open the app, choose your level, and start solving in seconds. • Five difficulty levels: Easy, Medium, Hard, Expert, and Master • Every puzzle has one solution and is checked against the game’s logic solver • Smart Coach gives a nudge, explains the deduction, and lets you choose whether to reveal a move • Pencil notes, undo, redo, erase, and cell-first or number-first entry • Daily Challenge, streaks, and a calendar of completed days • Optional on-device daily reminder, only after you choose to enable it • Share a short solve summary when you choose; the puzzle and solution stay private • Local statistics, solve times, and small personal achievements • Light, dark, and high-contrast themes • VoiceOver and TalkBack descriptions for individual cells •…