Berry Mentats (Fallout 3)

Brilliantly Berry Mentats are a chem in Fallout 3.

Characteristics
Notably, Berry Mentats do not have the Perception bonus that normal Mentats bring, despite sharing their appearance.

Locations
An Archives prize voucher, found in the National Archives, can be traded for Grape Mentats or Orange Mentats.

The player can obtain any of the flavors by answering a series of historical questions.