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

Kill 100 Enemies with Headshots

Find 40 Treasures

Kill 30 Enemies with the Arm Micro

Kill 30 Enemies with the KAL-7

Kill 5 Enemies in a Row with Headshots

Find the Strange Relic

Find 1 Treasure

Defeat 250 Enemies with Headshots

Kill 30 Enemies with the RPG-7

Kill 50 Enemies with the FAL

Kill 5 Enemies with 1 Explosion

Kill 20 Enemies with a Single Punch After Weakening Them with Gunfire