Find the Strange Relic

Finish the Game on Crushing Without Changing the Difficulty

Finish the Game on Normal Without Changing the Difficulty

Defeat 50 Enemies in a Row Without Auto-Reloading

Kill 30 Enemies with the Tau Sniper

Kill 30 Enemies with the M9

Kill 30 Enemies with the SAS-12

Kill 30 Enemies with the Arm Micro

Kill 30 Enemies with the KAL-7

Kill 100 Enemies with Headshots

Kill 30 Enemies with the Mk-NDI

Defeat 50 Enemies with Hand-to-Hand Combat