Fill in the possibilities.
Place the numbers 1–9 in the empty squares. Every row, every column, and every 3×3 box must contain each number exactly once.
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SIMPLE RULES. ENDLESS POSSIBILITIES.
Nine numbers. A little curiosity.
New to Sudoku? You already have everything you need.
Let logic lead the way.
Scan a row or box with plenty of numbers already filled in. See what’s missing, then use the crossing rows and columns to narrow it down.
Make room for a maybe.
Turn on Notes to pencil in possible numbers. If you get stuck, Hint helps you look for the next move. Ask for an explanation when you need one, then place the number when you are ready.