Sudoku 4x4 - Hard

Play free Sudoku 4x4 Hard online or download printable Sudoku 4x4 Hard (up to 4 puzzles per page) to solve with pen and paper.

Sudoku 4x4 puzzle 1 Sudoku, Sudoku puzzles, Remarks for report card

Sudoku – Free Printable

Adept Sudoku 4X4 Puzzles: 400 Sudoku (4X4) Puzzles : Sudoku Easy to Hard, Sudoku Puzzle Book for Kids, Sudoku for Adults Easy, Sudoku Easy Medium Hard, Sudoku Junior : Patel, Dr Viral

I hired a developer to create a sudoku generator for me. It generates 4x4, 6x6 and 9x9 with the difficulties easy, medium, hard, very hard. This is from a 6x6 very hard

Sudoku 4x4 Hard Japanese Puzzles Number Games 4x4 - Hong Kong

World's Hardest 4x4 Micro Sudoku : r/sudoku

360 Sudoku for Kids Easy to Hard: 4x4, 6x6, 8x8 & 9x9 Sudoku Puzzles Book for Kids Ages 6-8 & 8-12 with Solution Large Print (Paperback)

Sudoku 4x4, no hints, hard

Sudoku for Beginners 4x4: Activity Puzzles From Easy to Hard with Coloring Page (Paperback)