It's big in Japan, huge in Europe and sweeping America. Now, Sudoku (Japanese for "single number") lands in the Chicago Sun-Times.

Test your skills with our new interactive sudoku puzzle, featuring four daily puzzles of varying skill levels.

• Try today's puzzle

This week's puzzles
from the print edition of the Chicago Sun-Times

• Sudoku Puzzle for November 21
• Sudoku Puzzle for November 21
• Sudoku Puzzle for November 20
• Sudoku Puzzle for November 19
• Sudoku Puzzle for November 18
• Sudoku Puzzle for November 17
• Sudoku Puzzle for November 16