Outside Sudoku - Rules & Strategies

Outside Sudoku - Rules & Strategies

GMPuzzles - 2022/09/17 - Outside Sudoku by Ashish Kumar

Lesson 12 Sudoku The "Outside the puzzle technique"

X-Wings and the Rectangle Rule for Solving Medium to Hard Sudoku Puzzles

Learn Something

Tutorial #40 A must know technique. NOT a puzzle.

Tutorial #35 For hard puzzles. Advanced rule of Exclusion. (box/line reduction)

GMPuzzles - 2022/01/18 - Outside Sudoku by Prasanna Seshadri

Think About the Outside of the Box

Cracking The Cryptic

Sudoku Adventure #578 - "Double Duty" by Matt Tressel

This Sudoku is one in one-hundred-and-twenty.

BremSter Puzzles

Can you hear the Whispering Outside?

Cracking The Cryptic

Abnormal Sudoku Rules Apply

Cracking The Cryptic

Diagonal Outside Sudoku #12 from the World of Sudoku Vol.8 !

Unshackling Sudokus & Puzzles

A sudoku with NO given digits - but clues outside the grid?!

Cracking The Cryptic

This 6-Cell Outside Sudoku is a marvelous construction !

Unshackling Sudokus & Puzzles

Sandwich Sudoku - Rules & Strategies

A brilliant and super fun Outside 234 sudoku !

Unshackling Sudokus & Puzzles

Become a Master at Three is a Crowd Sudoku.

Unshackling Sudokus & Puzzles

GAS Sudoku Walkthrough - Outside Sum by Clover (2023-12-22)

Genuinely Approachable Sudoku

How To Think Outside The Box!

Cracking The Cryptic