Kill 5 Riot Shield Enemies by Running Over Their Shield

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

Kill 30 Enemies with the PAK-80

Kill 30 Enemies with the Mag 5

Kill 30 Enemies with the SAS-12

Kill 10 Enemies with Grenades While Hanging

Finish the Game on Normal Without Changing the Difficulty

Kill 100 Enemies with Headshots

Kill 30 Enemies with the M9

Kill 5 Enemies in a Row with Headshots

Find 40 Treasures

Kill 20 Enemies with Gunfire While Hanging