Country and airport journeys
Travel through passport destinations and airport routes. Complete Easy, Medium, Hard, and Master puzzles to earn progress and collectible stamps.
Sudoku Passport:
World Tour
Classic Sudoku becomes a journey. Build passport progress through countries and airport routes, complete four difficulty levels, and return for Daily Puzzles, Practice play, awards, and guided learning.
Daily and Practice play
Take on a fresh Daily Puzzle or choose a difficulty in Practice mode, with timing and progress saved as you play.
Learn Sudoku
Use the Learning Center and guided play to understand solving techniques and build confidence from beginner through advanced puzzles.
Designed for long-term progress
Track completed routes, difficulty achievements, awards, passport stamps, best times, and your continuing world tour.