Game Calendars
2026 Killer Sudoku: 365 Medium (9x9) Puzzles for Every Day of the Year
Killer Sudoku, Game Calendars
- Difficulty
- Medium
- Puzzle count
- 365 puzzles
Killer Sudoku Puzzle Books
Explore 125 published Killer Sudoku books.
Mixed / Variety
2026 Libro de Rompecabezas Mixtos para Adultos: 365 Rompecabezas Variados Difíciles para Cada Día: Sudoku, Kakuro, Calcudoku, Killer Sudoku, Slitherlink, Futoshiki y Más Juegos Mentales para Agudizar tu Mente
Killer Sudoku, Calcudoku / Mathdoku, Kakuro, Futoshiki
- Difficulty
- Not Specified
- Puzzle count
- 365 puzzles
Game Calendars
Activity Book for Adults & Seniors: 500 Hard Logic Puzzles (Sudoku - Fillomino - Kakuro - Futoshiki - Hitori - Slitherlink - Killer Sudoku - Calcudoku ... - Numbrix)
Killer Sudoku, Calcudoku / Mathdoku, Kakuro, Numbrix
- Difficulty
- Hard
- Puzzle count
- 500 puzzles
Mixed / Variety
Activity Book for Adults & Seniors: 500 Medium Logic Puzzles (Sudoku - Fillomino - Kakuro - Futoshiki - Hitori - Slitherlink - Killer Sudoku - Calcudoku - Jigsaw Sudoku - Skyscrapers - Shikaku - Numbrix)
Jigsaw Sudoku, Killer Sudoku, Calcudoku / Mathdoku, Kakuro
- Difficulty
- Medium
- Puzzle count
- 500 puzzles
Mixed / Variety Large Print
Big Book of Sudoku Variants: 200 Easy Large Print Puzzles :: 8 Different Types of Sudoku (Samurai Sudoku, Jigsaw Samurai Sudoku, Samurai Sudoku X, Killer Sudoku, Sudoku 16x16, Flower Sudoku, Sohei Sudoku, Cross Sudoku)
Classic Sudoku, Sudoku X, Samurai Sudoku, Killer Sudoku
- Difficulty
- Easy
- Puzzle count
- 200 puzzles
Mixed / Variety Large Print
Big Book of Sudoku Variants: 200 Easy to Hard Large Print Puzzles :: 8 Different Types of Sudoku (Samurai Sudoku, Jigsaw Samurai Sudoku, Samurai Sudoku X, Killer Sudoku, Sudoku 16x16, Flower Sudoku, Sohei Sudoku, Cross Sudoku)
Classic Sudoku, Sudoku X, Samurai Sudoku, Killer Sudoku
- Difficulty
- Easy To Hard
- Puzzle count
- 200 puzzles
Mixed / Variety Large Print
Big Book of Sudoku Variants: 200 Hard Large Print Puzzles :: 8 Different Types of Sudoku (Samurai Sudoku, Jigsaw Samurai Sudoku, Samurai Sudoku X, Killer Sudoku, Sudoku 16x16, Flower Sudoku, Sohei Sudoku, Cross Sudoku)
Classic Sudoku, Sudoku X, Samurai Sudoku, Killer Sudoku
- Difficulty
- Hard
- Puzzle count
- 200 puzzles
Mixed / Variety Large Print
Big Book of Sudoku Variants: 200 Medium Large Print Puzzles :: 8 Different Types of Sudoku (Samurai Sudoku, Jigsaw Samurai Sudoku, Samurai Sudoku X, Killer Sudoku, Sudoku 16x16, Flower Sudoku, Sohei Sudoku, Cross Sudoku)
Classic Sudoku, Sudoku X, Samurai Sudoku, Killer Sudoku
- Difficulty
- Medium
- Puzzle count
- 200 puzzles
Mixed / Variety Large Print
Big Book of Sudoku Variants: 200 Medium to Very Hard Large Print Puzzles :: 8 Different Types of Sudoku (Samurai Sudoku, Jigsaw Samurai Sudoku, Samurai Sudoku X, Killer Sudoku, Sudoku 16x16, Flower Sudoku, Sohei Sudoku, Cross Sudoku)
Classic Sudoku, Sudoku X, Samurai Sudoku, Killer Sudoku
- Difficulty
- Medium To Very Hard
- Puzzle count
- 200 puzzles
Mixed / Variety
Brain Health Puzzles for Adults: 200 Easy Puzzles & 6 Puzzle Types (Killer Sudoku, Numbrix, Calcudoku, Suguru, Binary Puzzle, Masyu)
Killer Sudoku, Binary Puzzle / Binairo, Calcudoku / Mathdoku, Numbrix
- Difficulty
- Easy
- Puzzle count
- 200 puzzles
Mixed / Variety
Brain Health Puzzles for Adults: 200 Easy to Hard Puzzles & 6 Puzzle Types (Killer Sudoku, Numbrix, Calcudoku, Suguru, Binary Puzzle, Masyu)
Killer Sudoku, Binary Puzzle / Binairo, Calcudoku / Mathdoku, Numbrix
- Difficulty
- Easy To Hard
- Puzzle count
- 200 puzzles
Mixed / Variety
Brain Health Puzzles for Adults: 200 Extreme Puzzles & 6 Puzzle Types (Killer Sudoku, Numbrix, Calcudoku, Suguru, Binary Puzzle, Masyu)
Killer Sudoku, Binary Puzzle / Binairo, Calcudoku / Mathdoku, Numbrix
- Difficulty
- Extreme
- Puzzle count
- 200 puzzles
Mixed / Variety
Brain Health Puzzles for Adults: 200 Hard Puzzles & 6 Puzzle Types (Killer Sudoku, Numbrix, Calcudoku, Suguru, Binary Puzzle, Masyu)
Killer Sudoku, Binary Puzzle / Binairo, Calcudoku / Mathdoku, Numbrix
- Difficulty
- Hard
- Puzzle count
- 200 puzzles
Mixed / Variety
Brain Health Puzzles for Adults: 200 Hard to Extreme Puzzles & 6 Puzzle Types (Killer Sudoku, Numbrix, Calcudoku, Suguru, Binary Puzzle, Masyu)
Killer Sudoku, Binary Puzzle / Binairo, Calcudoku / Mathdoku, Numbrix
- Difficulty
- Hard To Extreme
- Puzzle count
- 200 puzzles
Mixed / Variety
Brain Health Puzzles for Adults: 200 Medium Puzzles & 6 Puzzle Types (Killer Sudoku, Numbrix, Calcudoku, Suguru, Binary Puzzle, Masyu)
Killer Sudoku, Binary Puzzle / Binairo, Calcudoku / Mathdoku, Numbrix
- Difficulty
- Medium
- Puzzle count
- 200 puzzles
Mixed / Variety
Brain Health Puzzles for Adults: 200 Medium to Very Hard Puzzles & 6 Puzzle Types (Killer Sudoku, Numbrix, Calcudoku, Suguru, Binary Puzzle, Masyu)
Killer Sudoku, Binary Puzzle / Binairo, Calcudoku / Mathdoku, Numbrix
- Difficulty
- Medium To Very Hard
- Puzzle count
- 200 puzzles
Mixed / Variety
Brain Health Puzzles for Adults: 200 Very Hard Puzzles & 6 Puzzle Types (Killer Sudoku, Numbrix, Calcudoku, Suguru, Binary Puzzle, Masyu)
Killer Sudoku, Binary Puzzle / Binairo, Calcudoku / Mathdoku, Numbrix
- Difficulty
- Very Hard
- Puzzle count
- 200 puzzles
Mixed / Variety
Brain Workouts Variety Puzzles: 200 Easy Puzzles & 6 Puzzle Types (Suguru, Minesweeper, Killer Sudoku, Kakuro, Windoku, Shikaku)
Killer Sudoku, Kakuro, Suguru / Number Blocks, Minesweeper
- Difficulty
- Easy
- Puzzle count
- 200 puzzles
Mixed / Variety
Brain Workouts Variety Puzzles: 200 Easy to Hard Puzzles & 6 Puzzle Types (Suguru, Minesweeper, Killer Sudoku, Kakuro, Windoku, Shikaku)
Killer Sudoku, Kakuro, Suguru / Number Blocks, Minesweeper
- Difficulty
- Easy To Hard
- Puzzle count
- 200 puzzles
Mixed / Variety
Brain Workouts Variety Puzzles: 200 Extreme Puzzles & 6 Puzzle Types (Suguru, Minesweeper, Killer Sudoku, Kakuro, Windoku, Shikaku)
Killer Sudoku, Kakuro, Suguru / Number Blocks, Minesweeper
- Difficulty
- Extreme
- Puzzle count
- 200 puzzles
Mixed / Variety
Brain Workouts Variety Puzzles: 200 Hard Puzzles & 6 Puzzle Types (Suguru, Minesweeper, Killer Sudoku, Kakuro, Windoku, Shikaku)
Killer Sudoku, Kakuro, Suguru / Number Blocks, Minesweeper
- Difficulty
- Hard
- Puzzle count
- 200 puzzles
Mixed / Variety
Brain Workouts Variety Puzzles: 200 Hard to Extreme Puzzles & 6 Puzzle Types (Suguru, Minesweeper, Killer Sudoku, Kakuro, Windoku, Shikaku)
Killer Sudoku, Kakuro, Suguru / Number Blocks, Minesweeper
- Difficulty
- Hard To Extreme
- Puzzle count
- 200 puzzles
Mixed / Variety
Brain Workouts Variety Puzzles: 200 Medium Puzzles & 6 Puzzle Types (Suguru, Minesweeper, Killer Sudoku, Kakuro, Windoku, Shikaku)
Killer Sudoku, Kakuro, Suguru / Number Blocks, Minesweeper
- Difficulty
- Medium
- Puzzle count
- 200 puzzles
Mixed / Variety
Brain Workouts Variety Puzzles: 200 Medium to Very Hard Puzzles & 6 Puzzle Types (Suguru, Minesweeper, Killer Sudoku, Kakuro, Windoku, Shikaku)
Killer Sudoku, Kakuro, Suguru / Number Blocks, Minesweeper
- Difficulty
- Medium To Very Hard
- Puzzle count
- 200 puzzles