Decrypt the Code Book of one of SpyCo's former agents.
12 adventures containing a total of 140 messages.
A Hint button exists to decrypt selected letters in case you get stuck.
Need help? Use our The Code Book Walkthrough page or sign up and make your contribution today.
What's new in version 1.1
If the app is closed and reopened, it returns to the last message that was being decoded. Previously it would go back to the first message in the book.
About The Code Book
The Code Book is a puzzle game developed by Andrew de Jong, and is available for download on both iOS and Android devices. The app is compatible with iOS 14.0 or later on the following devices: iPhone 11 Pro, X, Xs, SE, iPhone 8, 7, 6, iPad Pro and iPad Mini.
Click the button or scan the QR code below to download The Code Book for iOS. Check out our downloads section to download The Code Book for android and other platforms.
App Rating & Updates
The Code Book Add-Ons
The app is $0.99 and offers no in-app purchases.