Alphadoku image example, 25X25 sudoku puzzle, asymmetric, expert No. 10000.
Sudoku 25x25 50 Giant Easy Sudoku Puzzles book by Jacob James: 9781979203661
Alphadoku image example, 25X25 sudoku puzzle, symmetric, beginner No. 1
Buy Sudoku Giant — Hard puzzles for print – Puzzle Sales
25x25 Sudoku: Keep Your Brain Active And Engaged With 100 Giant Easy Puzzles, Ultimate Sudoku Puzzle Book With Complete Solutions, Vol 04: Tahlia, Suzanna: 9798378168439: Amazon.com: Books
25x25 Sudoku: 100 Sudoku Puzzles Complete With Solutions | Indigo
Sudoku 25x25 50 Giant Medium Sudoku Puzzles | Libristo - EU
Looking for a great sudoku pen that can write small, not smudge, and still be legible. If anyone has any suggestion. I started doing these 25x25 sudoku puzzles and it's really hard to find a pen that can write the possibilities in the small squares. : r/sudoku