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Printable transportation Secret codes

Cars, trains, rockets and hot-air balloons: word games that roll, fly and sail. 9 secret codes puzzles on this theme, free to print or play online, with answers.

Frequently asked questions

Which secret codes are there?

Three codes: numbers (A = 1), symbols, and the Caesar cipher with a shifted alphabet.

Can I write my own coded message?

Yes, with the generator: type your message and print it with its key.

Can I play online and finish later?

Yes: click "Play online". Your game is kept on your device, and in your space if you have a free account, so you can pick it up later.