Unlocking him automatically runs workers and multiplies their speed by 2.
He can be unlocked at rank 3.
It is believed that Milly the Mighty is based on Rosie the Riveter the cultural icon from World War II representing women working in factories. The design also references the character of Milton from the 1999 film Office Space .
It might be possible that being based on Rosie the Riveter ties into the researchers effect - boosting Worker speed.
|Milly the Mighty||Speed||Science cost||Copies needed|