Kill 50 enemies with the 92FS - 9mm

Find 40 treasures

Kill five enemies in a row with a brutal combo

Kill 20 enemies with a brutal combo

Kill five enemies with a brutal combo

Find the Strange Relic

Kill 50 enemies with the AK-47

Kill 10 enemies by aiming while hanging from a ledge

Kill 30 enemies with headshots

Kill five enemies in a row with headshots

Find five treasures

Complete a Special Ops Mission Mode game on Hardened or Veteran with no player getting downed.

Complete the "Black Ice" Special Ops mission on any difficulty.