Unlocking him automatically runs roads and multiplies their speed by 2.
He can be unlocked at Rank 5.
The artwork for Doc Brown Road resembles Dr. Emmett Brown from the 80's hit movie trilogy Back to the Future. It may also incorporate design elements of the Man from the 2009 film The Road, based on the 2006 Cormac McCarthy book of the same name.
The researcher's quote may also reference The Road in how an exile from a commune had their thumbs removed.
Referencing The Road also ties into the researcher's effect - boosting the Road industry.
|Doc Brown Road||Speed||Science cost||Copies needed|