Chapter IX: The End of the Line

You board a train with one of our allies. Make sure that you have the run of the vehicle; however, you may need to keep things on track with your quick thinking and decoding skills. --- Audience Recommended for 12+; younger players may require guidance from an adult. Designed to be played either solo or collaboratively, and takes an average of 60-90 minutes to solve, though players can work through them at their own pace. Difficulty Each Chapter of The CCC is supported by a dedicated digital hint library, allowing you to choose how many additional clues you receive. From subtle nudges all the way to complete solutions for each puzzle, it's up to you to choose your level of difficulty. —description from the publisher