Requires Sky exploration 180 to discover
Creates a new map location on the main map in the center of the lake called Eden. To enter Eden, you must have a cumulative total of 50 airship stars or higher and pay 800k coins.
To unlock Eden you need to first do the Eden Maze (available just once) and complete repairs.
Once all mazes are completed you should have access to the following six interfaces from Eden.
Research is currently divided into 6 tabs, with the last one being unlocked through an item in Space. Also note that some research requires you to increase your Civilization level by constructing Plane Wonders.