Throw Back a Grenade and Defeat 2 Enemies at Once

Find 80 Treasures

Kill 4 Enemies with 1 Explosion

Kill 30 Enemies with the Mag 5

Kill 10 Enemies in a Row, Alternating Hand-to-Hand Combat and Gunfire

Find 60 Treasures

Find 40 Treasures

Complete a Secret Mission

Kill 50 Enemies by Melee-Attacking from Behind

Hit 25 floating enemies with Concussive Shot, Lance, or Incinerate. (Single-Player)

Using constructs, kill 100 enemies.

Successfully complete a combined 25 strike team missions or APEX multiplayer mode extractions.

Use a melee attack to hit 25 floating enemies. (Single-Player)