Jigsoku. Jigsaw Sudoku.

Jigsoku is jigsaw sudoku — the familiar 3×3 boxes are gone, replaced by nine colourful irregularly-shaped regions that look like jigsaw pieces. Each region still contains the numbers 1–9, as does every row and column — but the irregular shapes change everything about how you think and solve.

Standard sudoku logic only gets you so far. The wildcard shapes force new strategies, new spatial reasoning, and a completely fresh challenge — even for experienced solvers.

IRREGULAR REGIONS — THE HEART OF JIGSOKU
• Nine uniquely shaped regions replace standard 3×3 boxes — every puzzle is visually distinct
• Region shapes vary with each puzzle, so your eyes and logic constantly adapt
• Coloured regions make the jigsaw style instantly visible on the grid
• Irregular shapes create constraints standard sudoku never demands

SIX DIFFICULTY LEVELS
• Easy: a gentle introduction to jigsaw logic — great for newcomers
• Medium: a satisfying challenge for everyday play
• Hard: region shapes start to bite — trains spatial thinking
• Expert: for those who have mastered standard sudoku and want more
• Pro: advanced techniques meet irregular shapes
• Master: the ultimate challenge for jigsaw-solving experts

DAILY CHALLENGES
• A fresh Jigsoku puzzle every day, identical worldwide
• Build daily streaks and track progress on the calendar
• Compete on global leaderboards

LEARN WITH TECHNIQUES
• Technique library with interactive lessons for irregular regions
• Campaign mode — progressive levels from beginner to master
• Smart hints — explain the technique behind each step, not just the answer

BEAUTIFUL DESIGN
• Colourful jigsaw regions with clean, easy-to-read cells
• Ten beautiful colour themes with light and dark modes
• Dark mode for comfortable evening solving

SMART TOOLS
• Pencil marks and inline candidates
• Unlimited undo and redo
• Error highlighting to catch mistakes early
• Auto-save — never lose your progress
• Matching number highlights across the grid

TRACK YOUR PROGRESS
• XP system and 80 achievements
• Personal best times and win streaks
• Cloud sync across all devices
• Google Play Games integration

PLAY YOUR WAY
• Works completely offline — play anywhere, anytime
• No account required to start
• Free to play with no paywalls

Terms of Use: https://www.locksmithcreativemilan.com/jigsoku/legal/terms-of-service.html