Finish the Game on Normal Without Changing the Difficulty

Kill 30 Enemies with the Tau Sniper

Kill 30 Enemies with the SAS-12

Find 60 Treasures

Play in the Swimming Pool on the Cruise Ship

Kill 30 Enemies with the Mk-NDI

Find 40 Treasures

Kill 20 Enemies with Gunfire While Hanging

Kill 100 Enemies with Headshots

Kill 5 Enemies in a Row with Headshots

Defeat 20 Enemies with Hand-to-Hand Combat

Finish the Game on Easy Without Changing the Difficulty

Finish the Game on Hard Without Changing the Difficulty