Learn the puzzle
Rules of Mini Sudoku
Mini Sudoku compresses the classic Sudoku logic into a six-by-six grid. Place the numbers 1 through 6 once in every row, column, and outlined three-by-two box.
The objective
Complete the grid without repeating 1–6 in any row, column, or box.
01 · Mini Sudoku
Keep the given clues fixed.
The starting numbers are part of the puzzle and cannot be edited. Use them to eliminate candidates from their row, column, and outlined box.
02 · Mini Sudoku
Place 1 through 6 once in every row.
Each horizontal row must contain all six numbers without a duplicate. A missing number belongs in the only square where its other constraints allow it.
03 · Mini Sudoku
Place 1 through 6 once in every column.
Each vertical column follows the same rule. Cross-check row and column possibilities before committing a number.
04 · Mini Sudoku
Respect each outlined 3 × 2 box.
Every outlined region is three columns wide and two rows tall. It must also contain each number from 1 through 6 exactly once.
05 · Mini Sudoku
Use notes and resolve conflicts.
Notes record possible numbers without making a final entry. Duplicate entries turn red, but the game does not reveal which one is wrong; a full conflict-free board is validated automatically.
Quick reference
Four rules to remember
- 01 Rows Use each number 1–6 once in every row.
- 02 Columns Use each number 1–6 once in every column.
- 03 Boxes Use each number 1–6 once in every 3 × 2 region.
- 04 Notes Track candidates, then remove them as the grid narrows.
One shared puzzle each day
The puzzle remains hidden until you start, then the timer begins. Progress is saved so you can return later.
Ready for today’s puzzle?
Put the rules into practice.
Start today’s board or resume your saved progress.