Introduction
Indiana Jones faces numerous puzzles in Indiana Jones and the Great Circle, including the challenging the secret of secrets mystery in Vatican City. This guide explains how to open the Vatican safe in the Sistine Chapel and solve the puzzle.
Secret of Secrets Puzzle Location
To solve this mystery, locate the safe in the office connected to the Sistine Chapel’s main hall. Access the Sistine Chapel on the south side of the Vatican City map through the Borgia Courtyards.
Secret of Secrets Puzzle Solution and Safe Code
- Pick up Nicoletti’s Letter from the table outside the Sistine Chapel’s west door.
- Open the desk drawer to find a note with a puzzle clue. Some symbols lack numbers, and the symbol at 4 is erased. Numbers increase by one up the chart, and you’ll identify the missing symbol as you progress.
- Inspect the statues of Saint Peter in the corner and Saint Paul on the table near the safe. Rotate them to view their bases and match the symbols to the Planetary Chart. The missing symbol at 4 on the chart is on Saint Peter.
- Use the statue symbols and Planetary Chart numbers to determine the code: 4471.
Secret of Secrets Safe Contents and Rewards
Open the Sistine Chapel safe to obtain the Cutman I Adventure Book, which boosts health regeneration, and a Hidden Note. The book is a fake and has no use. Solving this mystery earns 100 Adventure Points, plus additional points for collecting clues.
Click the link to check out our previous guide on “Indiana Jones and the Great Circle: House of Gods“