Shikaku Mixed Grids - Hard - Volume 4 - 159 Logic Puzzles
Shikaku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Shikaku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Shikaku Mixed Grids - Easy - Volume 2 - 159 Logic Puzzles
Shikaku Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
Classic Sudoku 9x9 - Extreme - Volume 5 - 276 Puzzles
Samurai Sudoku Deluxe - Easy to Extreme - Volume 6 - 255 Puzzles
Sudoku X 15x15 - Hard to Extreme - Volume 9 - 276 Puzzles
Masyu Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Logic Puzzles
CalcuDoku 9x9 - Easy to Hard - Volume 7 - 276 Puzzles
Classic Sudoku 9x9 - Easy to Extreme - Volume 1 - 276 Puzzles
Heyawake Mixed Grids - Easy to Hard - Volume 1 - 276 Logic Puzzles
Wordoku 9x9 - Hard - Volume 8 - 276 Logic Puzzles
King-Sized Kakuro Mixed Grids Deluxe - Volume 8 - 249 Logic Puzzles
Mega Sudoku 16x16 - Medium - Volume 31 - 276 Puzzles
Samurai Sudoku Deluxe - Extreme - Volume 9 - 255 Logic Puzzles
Binary Puzzles Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Puzzles
Large Sudoku 12x12 - Medium - Volume 17 - 276 Puzzles
Jigsaw Sudoku 9x9 - Easy to Extreme - Volume 1 - 276 Puzzles
Killer Sudoku 12x12 - Hard - Volume 16 - 276 Puzzles
