At this level, most cells can be solved using basic scanning techniques. Look at each row, column, and 3×3 box to find where a digit can only go in one place. You rarely need advanced strategies - logical deduction and patience are enough to complete these puzzles.
Easy Sudoku is a great choice for a quick brain exercise during a break, or as a warm-up before tackling harder puzzles. Every puzzle on 91GameStreet has exactly one solution and is validated server-side.