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 December 05
• Sudoku Puzzle for December 05
• Sudoku Puzzle for December 04
• Sudoku Puzzle for December 03
• Sudoku Puzzle for December 02
• Sudoku Puzzle for December 01
• Sudoku Puzzle for November 30