The Burgercorp Treasure

The 1st code to the treasure is at Burgercorp USA. Look for a document. With the first code, you'll get the coordinates for a town with a Noble Grill.

The 2nd code to the treasure is at that town with the Noble Grill. Go where earbuduser started. It's in the building.

The 3rd code to the treasure is at the Burgercorp concrete duper. Follow the yellow path on the nether roof to find it.

The 4th code is at Burgercorp UK. Go to the deepest point in the middle, almost to the void.

After you get all four codes, you can unlock the treasure. Information on where to put the codes is with the 4th code.

Code 4 was found by TurtleBoi32