Question: Do you need different colored pens for sudoku?, Answer:No, Description of Sudoku: Logic-based number-placement puzzle, Fact1: Sudoku is played both online and offline., Fact2: Sudoku has no color component in the game.
Step1: How is Sudoku played?, Step2: Is color necessary to do #1?, Wikipedia page for step 1: Sudoku , Wikipedia page for step 2: Sudoku , not_definitive_answer: False, incorrect_answer: False