There are a handful of mysteries and secrets you can find throughout your playthrough of Indiana Jones and The Great Circle. The Father and Son mystery you can find in the Vatican is one, and it ties into the larger plot, revealing key details in Indy’s case.
The Father and Son mystery becomes available when you’ve nearly completed the Vatican storyline and prepare to head out from this area. Rather than advance to the end, you’ll have a chance to complete this story, unlocking a hidden safe and learning more about the secretive group following Indiana since he landed in the Vatican. The mystery is short, but it can be confusing, as you have to use a specific sequence to unlock a safe. We’ll cover where you can find and start the Father and Son mystery in Indiana Jones and the Great Circle and how to solve it.