Find 1 Treasure

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

Activate a Tweak

Finish the Game on Easy Without Changing the Difficulty

Kill 30 Enemies with the Desert-5

Kill 50 Enemies with the M4

Defeat 50 Enemies with Hand-to-Hand Combat

Kill 50 Enemies with the 92FS-9mm

Find 20 Treasures

Kill 30 Enemies with Mk-NDI Grenades

Kill 75 Enemies in a Row Without Dying

Kill 20 Enemies with Headshots