Letters from Ottendorf

Procrastinate on studying your textbook or become part of your favourite story with Letters from Ottendorf, a solo bookmark game of ciphers and secrets made to be played while reading.

You are a spy. Your handler, Ottendorf, sends you coded letters.

Your book becomes the random generator, the key to deciphering Ottendorf's messages. Use it to generate your mission and reveal new twists in each letter as the story builds up over pages of your novel. All in a game the size of a bookmark.

All you need to play is a book, your imagination, and this bookmark. Play at your own pace and create your own story within the story:

• Are you spying for your novel's big bad villain or a sleeper cell of time travellers?
• Is Ottendorf a mysterious friend or a serial killer playing cat and mouse with you?
• Will they double cross you or have you been feeding them false information this whole time?

Read your book to find out...

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Letters from Ottendorf was deciphered and designed for the 2020 Bookmark Game Jam. It is inspired by the Ottendorf (or book) Cipher, which you can try out on your real life spy buddies.

For more designs and the occasional cipher, follow me on Twitter.