The zip file in this download is named 'Yu-ATOGAG-OP.zip' and contains a map file named 'Yu-ATOGAG-OP.map'. After downloading the zip file, unzip the map into the folder: \EmperorRotMK\Cities on your laptop or PC. That will make it available for selection in Open play, or for viewing in the map editor.
This is a modified version of the Yushan (Yu Mountain) map from the custom campaign "A Time of Gods and Generals". It is 'enormous' in size, and has a temperate climate.
A list of the modifications that are included on this Open Play version of the map are as follows:
1. Salt deposits were added to the map.
2. A predator spawn point (salamander) was added to the map at the big lake.