Doppelganger is a technology available at the Research tech tree of the Dark Matter Institute.
Researching Doppelganger grants one Scientist for free.
Resetting the Research tree will reduce the number of your Scientists by 1.
You cannot reset the tree if you have no available Scientists.
|1.4.0||No longer increases the Diamond price of new Scientists|
|1.0.0||Introduced to the game|