Sudoku 6x6 – Quick Puzzles

New to Sudoku or a seasoned solver? 6x6 Sudoku gives you the perfect bite-sized brain workout — four difficulty levels, smart hints, notes mode, and personal records.

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!