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|| For the Mentats that appear in the various Fallout games, see Mentats.
Brilliantly Berry Mentats are a chem in Fallout 3.
Notably, Berry Mentats do not have the Perception bonus that normal Mentats bring, thus it only increases Intelligence.
Archives prize vouchers, found in the National Archives, can be traded for Grape Mentats, Orange Mentats or Berry Mentats.
The player can obtain any of the flavors by answering a series of historical questions.