Couples Sudoku - 2 Player Sudoku / Play Simultaneously or Competitively with your Partner / Easy, Medium & Hard Difficulty / 288 Puzzles / 4 Per Page This Couples Sudoku Puzzle Book features Sideways-facing sudoku for couples to play together - Easy, medium and hard difficulty - 8.5" x 11" size - White-colored paper - 96 pages - Beautiful matte cover The very first Couple's Sudoku Book lets 2 people play Sudoku head-to-head with/against each other. All of the puzzles are displayed sideways (facing each player) in order for 2 people to simultaneously play each other from opposite ends of the same book. You choose how you want to play - friendly or competitively. You can spend some quality time together completing puzzles, or use the blank space next to each puzzle to keep score of who finishes each puzzle first.