Variant Sudoku: Not Your Average Number Puzzle

An example of Sudoku puzzles, 24 positions contain a given number, the

Sudoku Variants Series (254) - Sudoku Mastermind — Rätselportal — Logic Masters Deutschland

Sudoku Variants: Conceptis Puzzles: 9781402741111: : Books

Solving Sudoku: Part III. If you are not yet familiar with the…, by Nesh Patel

Sudoku Variants as Playful Proof Practice

Sudoku Variants as Playful Proof Practice

Stuck on this Sudoku variant (#219) Can't get a good start. The numbers in between boxes are what they should add up to. : r/sudoku

Skyscraper Sudoku Rules Explained + 5 Tips & Techniques - Mastering Sudoku

How to Solve Sudoku with Pencil Marks - Mastering Sudoku

Kropki Sudoku Vol. 34: Black and White Dots Double and Consecutive Digits 9x9 Grids Comes With Solutions Nine Numbers Play a Variation of Traditional Puzzles For All Ages Kids to Adults

New to sudoku, can someone explain how is 4 wrong here? It doesn't repeat in the same square, line or column : r/sudoku