Samurai Sudoku Puzzles: 500 Individual Beginner Level Variant Logic Puzzles with Solutions

Samurai Sudoku Puzzles: 500 Individual Medium Level Variant Logic Puzzles with Solutions

Samurai Sudoku Puzzles: 500 Individual Challenging Variant Logic Puzzles with Solutions

Kropki Sudoku Extreme: 500 Expert‑Level 9x9 Logic Puzzles with Solutions

Sudoku: 500+ puzzles with solutions , Medium Level