Kill 25 unaware enemies.

Kill FeeFee the crab.

Kill 75 enemies with the rifle.

Force an enemy to drop dynamite that kills two people when exploding.

Collect 5000 pieces of salvage.

Perform 50 headshot kills in the single player campaign.

Kill 35 enemies with the pistol.

Perform 15 finishers.

Complete one optional tomb.

Fail to observe your surroundings

Obtain and equip a piece of Exotic gear.

Assist in capturing 50 capture points in Control.

Kill 25 Vex with precision shots in 1 mission without dying.