Kill 50 Enemies with the SAS-12

Beat 'Chapter 13 - Locomotion' in less than 7 minutes

Beat 'Chapter 3 - Borneo' in less than 6 minutes 30 seconds

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

Finish the Game on Normal Without Changing the Difficulty

Finish the Game on Hard Without Changing the Difficulty

Find 20 Treasures

Kill 50 Enemies by Melee-Attacking from Behind

Kill 10 Enemies with Grenades While Hanging

Kill 20 Enemies with Gunfire While Hanging

Compare Statistics with Friends

Kill 30 Enemies with Mk-NDI Grenades