## Sudoku hard puzzles you may like to go through at leisure

Solutions to hard and very hard Sudoku puzzle games are collected together in a **comprehensive updated list.** It includes level 4 and NY Times Sudoku puzzles.

Each solution includes explanation of each valid digit in an empty cell as well as each breakthrough. The Sudoku hard solution techniques are annexed at the end of many of the solutions.

### How to solve Sudoku hard level 4 puzzles

**Very hard Sudoku game 38 solved by repeated X wing reduction**

**Sudoku hard game 37 solved by advanced Sudoku solution techniques**

**Sudoku hard game 36 solved by advanced Sudoku solution techniques**

**Very hard Sudoku 35 solved by linked locked digit analysis and test**

*Solving Sudoku hard level 4 game 34 by Sudoku hard solution techniques*

**Solving Sudoku Hard Level 4 Game 33 by X wing Reduction**

**Very hard Sudoku level 4 Game 32 solved by X wing diagonal test**

**Sudoku Hard Solution Techniques for Solving Level 4 Game 31**

**Sudoku Hard Solution Techniques for Solving Level 4 Game 30**

**Very Hard Sudoku Level 4 Game 29 Solved by X wing diagonal test**

**Sudoku Hard Level 4 Game 28 Solved: Enhanced Swordfish**

**Level 4 Game 27 Sudoku hard X wing breakthrough**

**Level 4 Game 26 Sudoku hard Solution techniques**

**Sudoku Hard level 4 Game 25 solved by X Wing Digit Reduction**

**Very hard Sudoku level 4 Game 24: Linked locked digit chain test**

**Very Hard Sudoku level 4 Game 23: Linked locked digit chain test**

**Very Hard Sudoku level 4 Game 22: Linked locked digit analysis**

**Very Hard Sudoku level 4 Game 21 Solved by X wing Diagonal Test**

**Very hard Sudoku level 4 Game 20 Solved step by step**

**Very Hard Sudoku level 4 Game 19 Solved Step by Step**

**Solving hard Sudoku puzzles quickly: level 4 game 18**

**Solving Sudoku Hard Puzzles Quickly: Level 4 Game 17**

**Solving Sudoku hard puzzles quickly: level 4 game 16**

**Solving Sudoku hard puzzles: level 4 game 15**

**Solving very hard Sudoku puzzles: level 4 game 14**

**Solving Very Difficult Sudoku Puzzles: Level 4 Game 13**

**How to solve very hard Sudoku puzzles: level 4 game 12 solution**

**How to solve hard Sudoku Puzzles: level 4 game 11 quick solution**

**How to solve Sudoku hard level 4 game 10 easy and quick**

**Sudoku hard level 4 game 9 quick solution explained step by step**

**Very hard Sudoku level 4 game 8: Easy solution**

**Hard Sudoku Level 4 Game 7: Quick solution Sudoku Hard Techniques**

**Hard fourth level Sudoku puzzle 6, Strategies Techniques and Solution**

**Hard fourth level Sudoku puzzle 5, Strategies Techniques and Solution**

**Hard fourth level Sudoku puzzle 4, Strategies Techniques and Solution**

**Sudoku Techniques - how to solve Sudoku hard level 4 game 3**

*Sudoku Techniques - how to solve Sudoku hard level 4 game 2*

**Hard fourth level Sudoku puzzle 1, Strategies Techniques and Solution**

### How to solve New York Times Sudoku hard puzzles

**How to solve hard Sudoku New York Times March 4, 2021**

**How to solve hard Sudoku New York Times March 3, 2021**

**How to solve hard Sudoku NYTimes February 28, 2021**

**How to solve hard Sudoku NYTimes February 27, 2021**

**Sudoku Hard New York Times February 25 2021 Easy Solution**

**Sudoku Hard New York Times February 24 2021 Easy Solution**

**Sudoku Hard New York Times February 23, 2021: Easy Solution**

**Sudoku Hard New York Times February 22, 2021: Easy Solution**

**Sudoku Hard New York Times February 21, 2021: Easy Solution**

**How to Solve Hard Sudoku Puzzle New York Times February 20, 2021**

**How to Solve New York Times Hard Sudoku Puzzle February 17, 2021**

**How to Solve New York Times Hard Sudoku Puzzle February 16, 2021**

**How to Solve New York Times Sudoku Hard February 15, 2021**

### How to solve Sudoku hard level 3 puzzles

**Sudoku third level game play 13**

**Sudoku third level game play 12**

**Sudoku third level game play 11**

**Sudoku third level game play 10**

**Sudoku third level game play 9**

**Sudoku third level game play 8**

**Sudoku Third level game play 7**

**Sudoku Third level game play 6**

**Sudoku Third level game play 5**

**Sudoku Third level game play 4**

**Sudoku Third level game play 3**

**Sudoku Third level game play 2**

**Sudoku Third level game play 1**

### Medium level 2 puzzles

You may read through all medium level 2 solutions at **Second level medium Sudoku.**

### Beginner Sudoku

For beginners, Sudoku beginner puzzle solutions are at **Beginner level Sudoku.**

### Expert Sudoku

The Sudoku games with number of filled digits 23, 22 or less are solved and collected under * Expert Sudoku.* These are also internally labelled as hard and very hard.