Sudoku 6x6 – Quick Puzzles

Sudoku 6x6 is the perfect introduction to the world of Sudoku — and a quick, satisfying challenge for experienced players too!

Instead of the classic 9x9 grid, Sudoku 6x6 uses a compact 6x6 board with 2x3 boxes. Every puzzle can be solved in just a few minutes, making it ideal for a coffee break, a commute, or a quick mental warm-up.

HOW TO PLAY
Fill the grid so that every row, every column, and every 2x3 box contains the digits 1 through 6 — with no repeats. Simple rules, endless logic!

FOUR DIFFICULTY LEVELS
• Easy — 24 given numbers, perfect for learning
• Medium — 20 given numbers, a solid challenge
• Hard — 16 given numbers, requires advanced deduction
• Expert — 12 given numbers, for seasoned solvers only

POWERFUL FEATURES
• Notes Mode — jot down candidate numbers in pencil, just like on paper
• Smart Hints — stuck? Get a logically deduced move, not just a random answer
• Mistake Checker — toggle it on to instantly see any errors (each use is counted in your score!)
• Hardcore Mode — hide hints and the mistake checker for a pure, unassisted challenge
• Save & Resume — save your progress mid-game and pick up right where you left off
• Personal Records — your best times for every difficulty are tracked automatically
• Complete How-to-Play guide built right in

MAKE IT YOURS
• Light and Dark themes with high-contrast, easy-on-the-eyes designs
• Adjustable font size from 50% to 200% — comfortable for every player
• Full English and Chinese (中文) language support

CLEAN & FOCUSED
No ads. No distractions. Just you and the puzzle. Every win is celebrated and recorded so you can watch yourself improve over time.

Whether you have 2 minutes or 2 hours, Sudoku 6x6 is the smartest way to sharpen your mind. Download now and set your first record!