SamuraiKu – Samurai Sudoku

Endless samurai & classic sudoku, generated fresh on your device — fully offline. No ads, no packs, no subscription. Scan a printed puzzle and play instantly.

No ads. No packs. No subscription — ever. Just an endless supply of samurai and classic sudoku, generated fresh on your device, every time. The samurai boards are five overlapping 9x9 grids, and every puzzle is checked for a unique solution before you ever see it. Plays fully offline.

INFINITE PUZZLES, FIVE DIFFICULTIES

• Samurai and Classic boards, from gentle Beginner to fiendish Expert
• Difficulty tuned by the actual solving techniques each puzzle requires
• A fresh Daily Classic and Weekly Samurai for everyone, with streaks

SCAN PUZZLES FROM PAPER

• Point your camera at a newspaper or book puzzle and play it in seconds
• Reads both Classic and Samurai grids, entirely on-device

PLAY IT YOUR WAY

• Smart hints that name the technique, from naked singles to X-Wings
• A guided Learn mode that teaches real solving techniques step by step
• Pencil marks with auto-candidates, plus full undo and redo
• On iPad, write digits by hand with Apple Pencil
• Combo scoring: clear a row, column and box in one move for a 4x multiplier

COMPETE AND COLLECT

• Game Center time leaderboards for the Daily and Weekly
• 21 achievements with hand-carved hanko seal badges
• Share a puzzle and race a friend on the very same board

YOURS, EVERYWHERE

• Plays fully offline
• iCloud keeps your progress in sync across your devices
• Localized into 10 languages

ONE PRICE, NOTHING ELSE

• No ads, no in-app purchases, no subscription
• No accounts, no tracking, no data collected

Five grids as one. Pick up the brush.