One of the puzzles you need to solve in Utopia is Detto’s Code.
There are three Detto’s Code in the area and you have to find them to unlock a certain door.
Here’s how you can get all Detto’s Codes in Utopia.
As soon as you reach Utopia, you should see this building in the image below. It requires codes to enter.
Take the note near the map you see on the wall.
How to get Detto’s Code
After reading the note, you will see the map in your book (T).
Open it and the red circles on the map is where you need to dig to get the codes.
Grab a shovel and dig where the map is circled in red.
Do the same for all three areas and you’ll get all three codes.
Enter the house
You will now be able to unlock the door to the house.
Inside, you’ll find a blueprint for a big backpack.
At the side, you will also find a harpoon for another puzzle.
Once you have a harpoon and a carbon dioxide canister, you can proceed to the next part of the puzzle.
Shoot the harpoon and zipline to the next building.