Sudoku that works on airplane mode. 10 MB. Daily puzzles, a streak worth keeping. No account. No sync. No bloat.
Sudokko is sudoku stripped to what matters.
• Classic 9×9 sudoku grid — the mechanic you already know
• One new puzzle every day
• Day-streak counter — don't break the chain
• Multiple difficulty levels: Easy, Medium, Hard, Expert
• Works 100% offline: airplane mode, no WiFi, no signal required
• 10 MB download — runs on budget Android phones
• No account required. Open and play.
Sudoku.com is 121 MB. Sudokko is 10 MB — because most sudoku players are not on flagship phones.
Free to play, ad-supported.
Offline sudoku that fits on any phone. 10 MB. Daily puzzles.