Defeat 250 Enemies with Headshots

Kill 30 Enemies with Mk-NDI Grenades

Find 20 Treasures

Kill 50 Enemies with the FAL

Kill 20 Enemies with Headshots

Defeat 50 Enemies with Hand-to-Hand Combat

Find 1 Treasure

Find 60 Treasures

Find 50 Treasures

Kill 20 Enemies with the Wes - 44

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

Finish the Game on Easy Without Changing the Difficulty

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