Complete the Uncharted Multiplayer Introduction

Stealth take-down 30 enemies

Defeat 20 enemies with headshots

Stealth take-down 5 enemies

Find a Treasure

Created an Avatar.

Finish the Game on Easy Without Changing the Difficulty

Kill 30 Enemies with the T-Bolt Sniper

Kill 30 Enemies with the M9

Kill 100 Enemies with Headshots

Kill 30 Enemies with the KAL-7

Successfully Counter all of a Brute's Damage-Giving Attacks

Kill 20 Enemies with Headshots