Sudoku Mania: Combinational Sudokus

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

6x6 Sudoku Puzzles Printable - Sheet 3

6x6 Sudoku for Kids with numbers - Play Sudoku Online

Sudoku For Kids Ages 12-14: Sudoku 6x6, Level: Easy, Medium, Difficult with Solutions. Hours of games. (Paperback)

Sudoku 6 x 6 Level 2: Medium Vol. 5: Play Sudoku 6x6 Grid With Solutions Medium Level Volumes 1-40 Sudoku Cross Sums Variation Travel Paper Logic Games Solve Japanese Number Puzzles Enjoy

SUDOKU 6x6 worksheet

Killer Sudoku instructions and free Killer Sudoku puzzles to play online

Killer Sudoku Puzzles

Scattered Sudoku (Mini Sudoku Series #90) Sudoku puzzles, Sudoku, Online puzzle games

A 6x6 Sudoku that fits in between a 4x4 and 9x9 : r/3Blue1Brown