200 Kakuro sudoku and 200 Numbricks puzzles hard - extreme levels.: Kakuro 12x12 + 13x13 + 14x14 + 15x15 and Numbricks hard - very hard puzzles. (Kakuro and Numbricks)
200 Kakuro sudoku and 200 Numbricks puzzles hard - extreme levels.: Kakuro 12x12 + 13x13 + 14x14 + 15x15 and Numbricks hard - very hard puzzles. (Kakuro and Numbricks)