Sudoku

Sudoku guide

Medium Sudoku online

Medium Sudoku keeps the game approachable while requiring more deliberate scanning and elimination.

Play medium Sudoku No install, no timer pressure
Example Sudoku board with the next useful cell highlighted

What changes in medium mode

Medium puzzles usually have fewer obvious singles. You will need to compare candidates across rows, columns, and boxes more often.

A practical solving rhythm

Start with the busiest boxes, mark likely candidates mentally or with notes, and return to each row after every confirmed number.

Practice

Play the pattern on a real board