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Passport Sudoku

Solve puzzles. See the world. Stamp your passport.

Get Passport Sudoku on the App Store
Passport Sudoku puzzle set in Helsinki

Sudoku World Tour

Follow a route through memorable destinations, solving a new puzzle at every stop along the way.

A Puzzle for Every Player

Choose 4×4, 6×6, or classic 9×9 boards, with multiple difficulty levels and a guided tutorial for new players.

Collect Passport Stamps

Complete destination puzzles to earn stamps, fill your passport, and keep a record of the places you have visited.