Emerged victorious from an arena match

Won a duel against another player

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

Discovered Headstone Mine

Applied an elemental artifact

Discovered Skag Gully

Killed Commandant Steele-trap

Killed General Knoxx-trap

Collected 5 3D glasses

Killed 25 enemies with incendiary weapons

Reached proficiency level 10 with any weapon type

Earned level 30