Codes are the key to many mysteries in Indiana Jones and the Great Circle. You’ll need these codes to unlock the various safes and chests (and at least one door) found throughout the game.
As you explore, you’ll find locked safes and chests throughout the game. In most cases, the code to unlock the safe or chest is associated with a mystery (what the Great Circle calls its side quests). Throughout these side quests, you’ll find notes, which give you hints as to what the code could be — or you could just use this guide.
In this in-progress Indiana Jones and the Great Circle guide, we’ll run down all codes we’ve found so far, and where applicable, listed the mystery associated with it.
Indiana Jones and the Great Circle codes, explained
Most chests and safes reward money or Adventure Points (XP, basically), but they also contain things like adventure books (which grant you access to new skills) or hidden relics associated with collect-’em-all side quests.
Below, see a running list for all codes we’ve found so far in Indiana Jones and the Great Circle, plus details about where to find them and what rewards you get for opening them. We’ve also listed the mystery that’s either associated with the safe, or the one you’ll play through when coming across it for the first time. That said, since the Great Circle’s levels are so open-ended, you might come across these under other circumstances.
For more details about how to find some of these codes, we’ve included guides to some of the more involved side quests below. And if you’ve missed any of these safes or chests, you can return to previously explored locations by opening your journal, tabbing over to the “Travels” page, and selecting “Revisit” on the region you want to go back to.
All Vatican codes in Indiana Jones and the Great Circle
There are seven codes in the Vatican. If you’re looking for details on how to solve some of the more involved puzzles, see our guides to the Belvedere Courtyard chest, the “Father and Son” safe, the “Secrets of Secrets” safe, and the “A Date to Remember” chest.
Safe/Chest LocationMysteryCodeRewardBelvedere Courtyard“The Stolen Cat Mummy”5238“Splinter Smash” adventure bookSistine Chapel“Secret of Secrets”4471“Cutman 1” adventure bookPost Office Cellar“A Savage Discovery”1136“Street Scrapper 1” adventure bookMuseum Wing“A Date to Remember”6380 “Vatican Medicine” exploration bookBorgia Tower“Father and Son”5873100 Adventure PointsMuseum Wing“A Nun in Trouble”7171Lost ArtifactExcavation Site“Signs of Trouble”1891100 Adventure Points
All Gizeh codes in Indiana Jones and the Great Circle
There are four codes in Gizeh. If you’re looking for details on how to solve some of the more involved puzzles, see our guides to the “Bright Future” chest and the “Cloud Atlas” chest.
Safe/Chest LocationMysteryCodeRewardRoadside near Gizeh Workers Area“Bright Future”0926Dynamite (which explodes in your face)Nazi Meteorological Station“Cloud Atlas”0609“Gizeh Medicine” exploration bookNazi Compoundn/a40926Ancient RelicNazi Vehicle Depot“Idol of Ra”0805Harvest Stele
All Himalayas codes in Indiana Jones and the Great Circle
There’s just one code in the Himalayas. Here’s our guide to the Cipher Machine puzzle.
Safe/Chest LocationMysteryCodeRewardKimmetz, Officer Lounge“A Harsh Climb”3666You get to move on in the story
Check back soon for codes in Sukhothai, the final region of Indiana Jones and the Great Circle!
