Easy Sudoku

Easy puzzles start with 35 or more numbers filled in, and every one can be finished using only the two most basic techniques. They’re a good place to learn, or a quick warm-up. Par is 4:30.

How to solve an easy Sudoku

• Naked single. A cell where only one number fits, because the other eight already appear in its row, column or box.
• Hidden single. A number that has only one possible cell left in a row, column or box. It goes there, even if that cell has other candidates.

Playing here

Tap a cell, then a number. Turn on Notes to pencil in candidates; they clear themselves when you place a number nearby. You get three hints per game and unlimited undo. Your game saves after every move, so you can close the tab and come back to it.

Finding these too quick? Try Medium, or learn every technique in how to play.