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

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

Kill 5 Riot Shield Enemies by Running Over Their Shield

Activate a Tweak

Finish the Game on Hard Without Changing the Difficulty

Finish the Game on Normal Without Changing the Difficulty

Find all Treasures and the Strange Relic

Kill 30 Enemies with the T-Bolt Sniper

Defeat 10 Enemies with Thrown-Back Grenades

Kill 30 Enemies with the Arm Micro

Find 80 Treasures

Kill 30 Enemies with the Mk-NDI

Play in the Swimming Pool on the Cruise Ship