Room 40 is a puzzle game for PC about learning to decipher and decode secret messages. Learn to break various methods of encryption used throughout history from Ancient Greece to WWII and beyond.

About the game

Amy has just graduated college and is struggling to find a job. She comes across a mysterious letter containing a secret message. She responds to the letter and is enlisted in a government agency as a code breaker. Hidden away in an undisclosed building, in room 40, is where the code breakers reside. Spending their days trying to decipher and uncover the meaning behind secret messages.


  • 16 unique and challenges secret messages to uncover.

  • 4 bonus secret messages that will challenge the hardcore code breakers.

  • Analytical tools and techniques to use for revealing secret messages.

  • Learn about about different types of secret messages and all the various forms they come in.

  • Become a master code breaker one step at a time - It is not beyond anyone to figure out what a secret message says armed with the right knowledge and tools.

Coming late 2018 - early 2019!


  • The name Room 40 comes from the British cryptanalysis group that was formed in 1914. They broke one of the most influential message of WWI. It was a German message to Mexico to enlist them to join their side and attack the US. Britain leaked this information and managed to bring the then neutral US into the war, shifting the tide of the war.

  • The zodiac killer ciphers. The game takes place in the US in the 60’s around the same era as the notorious ciphers.