GridHearth Game
Sudoku you can play online
Play 27 free puzzles—nine each at Easy, Medium, and Hard. Your progress saves in this browser, and optional logical hints explain the next move. Our guide teaches the techniques used across the levels.
About
One home for books and games
GridHearth brings Sudoku together on paper and online. Explore books by GridHearth Puzzles and GridHearth Ravenlock, and play free puzzles at GridHearth.com.
GridHearth Puzzles
Sudoku Practice books
The Sudoku Practice collection by GridHearth Puzzles includes Easy, Medium, Hard, and Mixed books. Two new beginner-friendly paperbacks are by GridHearth Ravenlock.Each new paperback has an Amazon link on its book page. Check current price and delivery there.