Frank Longo

Sudoku Ninja

2009

Fertilization

2020

Sudoku U

2018

Ninja Assassin Sudoku

2012

Sudoku Puzzles for the Weekend

2022

CosmoGIRL! Games

2007

10 x 10 Sudoku

2006

Zombie Sudoku

2011

World's Longest Crossword Puzzles

2015

Word Search Sudoku

2007

Way Beyond Black Belt Sudoku®

2019

Vowelless Crosswords

2009

Usa Today Quickie Crosswords

2010

USA Today Hard Sudoku Sit Solve

2010

USA Today Easy Sudoku Sit Solve

2010

Ultra sudoku - N° 3

2013

Ultimate Ninja Sudoku

2007

TRIVIAL PURSUIT Sudoku (Trivial Pursuit)

2007