Find the Strange Relic

Kill 5 Enemies with Brutal Combo

Kill 30 Enemies with Mk-NDI Grenades

Find 20 Treasures

Kill 5 Enemies in a Row with Headshots

Defeat 20 Enemies with Hand-to-Hand Combat

Find 1 Treasure

Finish the Game on Normal Without Changing the Difficulty

Kill 50 Enemies with the 92FS - 9mm

Kill 75 Enemies in a Row Without Dying

Kill an Enemy While Playing as an Alternate Character Costume Other Than Drake

Find 10 Treasures

Kill 100 Enemies with Headshots