Killed 25 enemies with shock weapons

Played in a co-op game with either an employee of Gearbox or someone who had this trophy

Discovered Sledge's Safe House

Earned level 10

Rescued a groupmate from death in a co-op game

Perform a Heroic Brutality

Complete the Hector sequence in the mission 'Kingpin'

Complete the Zack sequence in 'The Trap' mission.

Finish the game in Easy Mode

Defeat 50 enemies with the Micro - 9mm

Defeat 30 enemies with Mk-NDI grenades

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