Killed 5 Rakk in under 10 seconds

Discovered Skag Gully

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

Complete "The Last Enemy That Shall Be Destroyed".

Purchase a rare weapon from a gunsmith.

Complete "An Appointed Time".

Awarded for watching Highlight Footage in [Final Highlights].

Complete 20 story missions without switching to a new horse at a hitching post.

Complete "Exodus in America".

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

Complete one Competitive Multiplayer game

Finish the game in Easy Mode

Defeat 30 enemies with Mk-NDI grenades