Kill 50 Enemies with the Micro-9mm

Find 80 treasures

Kill 50 Enemies by Melee-Attacking from Behind

Find the Strange Relic

Defeat 10 Enemies in a row with Hand-to-Hand Combat

Kill 5 Enemies in a Row with Headshots

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

Finish the Game on Easy Without Changing the Difficulty

Find 20 Treasures

Kill 20 Enemies with Gunfire While Hanging

Kill 100 Enemies with Headshots

Kill 20 Enemies by Shooting from the Hip (without aiming)

Kill 30 Enemies with Mk-NDI Grenades