Free Preview of 200 Kakuro and 200 Killer Sudoku puzzles. Very hard levels.: Kakuro 12x12 + 14x14 + 16x16 + 18x18 and Sumdoku 8x8 + 9x9 Very hard Sudoku puzzles. (plus 250 sudoku and 250 puzzles that can be printed).
200 Kakuro and 200 Killer Sudoku puzzles. Very hard levels.: Kakuro 12x12 + 14x14 + 16x16 + 18x18 and Sumdoku 8x8 + 9x9 Very hard Sudoku puzzles. (plus 250 sudoku and 250 puzzles that can be printed).