Find all Treasures and the Strange Relic

Defeat 5 Guardians With a Sniper Rifle

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

Kill 10 Enemies in a Row with a Single Punch After Weakening Them with Gunfire

Kill 30 Enemies with the RPG-7

Find 80 treasures

Kill 50 Enemies with the SAS-12

Kill 50 Enemies with the FAL

Kill 10 Enemies with Grenades While Hanging

Kill 50 Enemies by Melee-Attacking from Behind

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

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

Kill 5 Enemies in a Row with Headshots