Using a bolt action rifle, kill an enemy Scout in multiplayer

Earn 8 stars in Special Ops.

Kill 2 enemies with a single bullet in Single Player or Special Ops.

Equip a new Character Portrait

Knock an opponent through a transition

Reach Level 10

Win a match with the super move of any character

In Gorod Krovi, ride a Dragon.

Register 150 organic enemy kills

Locate Dr. T'soni in the Artemis Tau cluster

Complete the Bring Down the Sky mission.

Become a Spectre