Throw Back a Grenade and Defeat 2 Enemies at Once

Find 100 Treasures

Kill 30 Enemies with the M9

Defeat 50 Enemies in a Row Without Auto-Reloading

Kill 50 Enemies by Melee-Attacking from Behind

Kill 30 Enemies with the Tau Sniper

Kill 30 Enemies with the KAL-7

Hit 3 Enemies with Fish in the Market

Kill 30 Enemies with the G-MAL

Kill 30 Enemies with the Mag 5

Successfully Counter all of a Brute's Damage-Giving Attacks

Kill 20 Enemies with Gunfire While Hanging