Find a Treasure

Finish the Game on Easy Without Changing the Difficulty

Kill 30 Enemies with the M9

Kill 30 Enemies with the Tau Sniper

Kill 100 Enemies with Headshots

Kill 20 Enemies with Gunfire While Hanging

Kill 5 Enemies in a Row with Headshots

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

Kill 20 Enemies with Headshots

Find 1 Treasure

Kill 30 Enemies with the Desert-5

Find 20 Treasures

Kill 100 Enemies with Headshots