Indiana Jones and the Great Circle: The Order of Giants Guide | All Mysteries
Here’s how you can solve all of the mysteries in the DLC.
Game Guide by Joyramen on Oct 08, 2025
The Order of Giants DLC has three main mysteries that you can uncover. Each of them involves finding clues and solving puzzles reward you with artifacts and books.
A Collegial Mystery

The first mystery can be found in the casina early in the DLC. In the top four, you’ll find a debate room that will hold several clues in the form of notes.

The first note can be found on the desk in the corner, and the second one can be located under one of the debate booths in the same room.

After getting both the notes, you’ll also spot a safe in the corner which can be unlocked using the code 1222. When you open the safe, it’ll complete the mystery but also provide you with one of the two books available in the DLC.

A Tale of Wine-Making Mystery

This is the second mystery that you will encounter in the sewer section of the DLC. At the dead end of a tunnel, there will be an unbreakable wall, and beside it will also be sledgehammers.

Using the sledgehammer, you’ll want to break the wall, which will reveal the hidden room, and upon entering the room, you’re going to be greeted with two enemies.

After taking on the two enemies, there will be a clue and a puzzle piece related to solving the mystery. The puzzle revolves around a mural which shows the process of winemaking; your goal is to assemble the pieces of the painting to tell a full story from the grey harvesting to stomping the grapes and filling the barrel with wine.

Once you correctly arrange the mural, the puzzle will be completed, rewarding you with an artifact.
A Bull in the Sky Mystery

The last mystery can be found in the Mithraeum underground area. There will be a door that can be opened manually using your hands, which will lead you to a chamber containing the mystery.

Inside a chamber, there will be a note and four bull-shaped weights. You want to collect all four of them and play them at the center of the room.



There will also be another one at the side of the room, and beside that, there will be a note that will provide you with additional information. Each of the weights will have dots that must be placed in their corresponding position to complete the puzzle correctly.

Once you arrange the puzzle in the right order, the mechanism will activate, granting you an artifact as the reward.
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