Defeat 20 enemies by blind-firing while in cover (without aiming with L1/R1)

Defeat 20 enemies by shooting from the hip (without aiming with L1/R1)

Throw back a grenade and defeat two enemies at once

Defeat 50 enemies with hand-to-hand combat

Find 20 treasures

Defeat 20 enemies with hand-to-hand combat

Managed to get 190-proof alcohol delivered to Emmett's

Namechecked BTTF Creators

Heard about the curious fate of Marshall Strickland

Complete Single Player Campaign on Normal Mode

Defeat The Priest

Defeat Cassandra