Cloud Atlas is a mystery youll uncover in Indiana Jones and the Great Circles Gizeh as you explore. Youll have to decode a note about weather observations and a list of cloud types to solve it.Our Indiana Jones and the Great Circle guide will show you how to find the Cloud Atlas chest code.How to start the Cloud Atlas mysteryTo start the Cloud Altas mystery, you just have to reach the Nazi Meteorological Station in Gizeh. Youll find it just west of the Great Sphinx and south of the Nazi Recreation Area near the center of the map.Youre looking for a pair of Quonset huts (well, proto-Quonset huts since these are a few years too early?) guarded by a trio of Nazis.Cloud Atlas cluesThe chest youll be opening is in the room on the right. Over on the left, youll find a room with a bunch of radio equipment and two notes a Cloud Status Logbook and a Cloud Atlas Page.The logbook lists a series of times and types of clouds. The atlas page has the types of clouds associated with numbers.Cloud Atlas chest code solutionTo find the code, you have to take the handwritten times at the bottom of the Cloud Atlas Page, and reference them against the Cloud Status Logbook to find what types of clouds youre looking for. The times are 13, 9, 16, and 14 (ignoring the 10 after because it doesnt matter).On the Cloud Status Logbook page, these times have Cirrus, Stratus, Cirrus, and Cumulonimbus observed. Back on the Cloud Atlas Page, these become the code for the chest in the other room 0609.Open the chest to find some cash and the Gizeh Medicine exploration book.For more Indiana Jones and the Great Circle guides, heres where to find the Bright Future chest code.