Earned level 20

Won a duel against another player

Killed Sledge

Hit six 3 pointers with a single player in a single solo game.

Killed 15 enemies with the Soldier's action skill

Killed 25 enemies with shock weapons

Applied an elemental artifact

Get a double-double with a player in a single solo game.

Killed 5 Rakk in under 10 seconds

Killed 25 enemies by ramming them with any vehicle

Killed 25 enemies with incendiary weapons

Earned level 5

Obtain all available weapons.