Room 40 is a puzzle game about learning to decipher and decode secret messages. Learn to break various methods of encryption used throughout history. Starting with basic methods used in ancient Greece and the advancement of these methods all the way through to complex ciphers used in WWII.
Is there an error, or do you want to contribute with missing options and features? Report it.
sync
Cookies on this website are used to personalize content and ads, provide social media features, and analyze traffic. In addition, we share information about your use of the website with our social media, advertising and web analytics partners, who may combine it with other information you have provided to them or that they have collected from your use of their services. If you need more information read our privacy policy page
