Beat 'Chapter 16 - One Shot at This' in less than 12 minutes

Kill 30 Enemies with the PAK-80

Beat 'Chapter 7 - Stay in the Light' in less than 9 minutes 30 seconds

Finish the Game on Hard Without Changing the Difficulty

Finish the Game on Normal Without Changing the Difficulty

Find 100 Treasures

Kill 30 Enemies with the Tau Sniper

Kill 30 Enemies with the M9

Kill 30 Enemies with the SAS-12

Kill 30 Enemies with the Mk-NDI

Play in the Swimming Pool on the Cruise Ship

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

Defeat 50 Enemies with Hand-to-Hand Combat