Four puzzles per page, with the answers on the next page. The puzzles come from our app, where a level is set by the hardest technique our solver used on a puzzle, so every sheet tells you what to expect.
What Easy asks of you: in our app, the hardest step of a Easy puzzle is usually Nearly Complete (95%).
See the sheets →What Medium asks of you: in our app, the hardest step of a Medium puzzle is usually Hidden Single (100%).
See the sheets →What Hard asks of you: in our app, the hardest step of a Hard puzzle is usually Pointing Pair (60%), Naked Pair (18%), Box/Line Reduction (13%), or Hidden Pair (6%).
See the sheets →What Expert asks of you: in our app, the hardest step of a Expert puzzle is usually Skyscraper (55%), Y-Wing (30%), or Empty Rectangle (6%).
See the sheets →What Master asks of you: in our app, the hardest step of a Master puzzle is usually XY-Chain (59%), W-Wing (28%), X-Chain (6%), or XYZ-Wing (5%).
See the sheets →What Extreme asks of you: in our app, the hardest step of a Extreme puzzle is usually ALS-XZ (86%) or Unique Rectangle (12%).
See the sheets →One big puzzle per page, easy to read.
Large print →These puzzles come from the puzzle bank of our Sudoku app, and each one has exactly one answer. What each Sudoku difficulty level asks of you →
We also make a Sudoku app for iPhone, iPad, Mac and Android. There are no ads in it at all, it works offline, and when you ask for a hint it shows you the technique instead of just filling in a number.
Sudoku Flow is made by Rubigo Games, the developer of the Sudoku app recommended on this site.
Sudoku Flow