Kill 50 Enemies with the M32-Hammer

Defeat 4 enemies with the same explosion (all explosive items and weapons apply)

Finish the Game on Easy Without Changing the Difficulty

Complete a lap in an online race

Kill 50 Enemies with the 92FS - 9mm

Kill 20 Enemies with the Wes - 44

Defeat 20 Enemies by Blind-Firing While in Cover (without aiming)

Kill 30 Enemies with the Tau Sniper

Finish the Game on Normal Without Changing the Difficulty

Find 20 Treasures

Kill 50 Enemies by Melee-Attacking from Behind

Complete the Uncharted Multiplayer Introduction

Complete a lap in race mode