Killed 25 enemies by ramming them with any vehicle

Killed 15 enemies with the Berserker's action skill

Earned level 5

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

Complete the SP campaign on Normal Difficulty

Complete the SP campaign on Insane Difficulty

Kill all of the catfish in the underwater level

Watch the credits all the way through

Complete the SP campaign on Easy Difficulty

Defeat the Leech

Defeat the Octaking

Look at every page of a calendar in SP