Puzzlers of all ages will love these challenging sudoku puzzles. Sudoku is a great way to build logic and problem-solving skills. Over 200 sudoku puzzles. Five

Sudoku fans will welcome this bright new twist to the popular puzzles! Every one of these ingenious creations--from "Bold X" to "Rainbow Up"--makes colors and p

With five levels of difficulty and 160 sudoku puzzles, there's plenty to challenge puzzlers of any level. If you get stuck or need a hint, answers are in the ba