Kill 30 Enemies with the Tau Sniper

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

Kill 100 Enemies with Headshots

Play in the Swimming Pool on the Cruise Ship

Kill 30 Enemies with the Mk-NDI

Defeat 50 Enemies with Hand-to-Hand Combat

Find 20 Treasures

Kill 20 Enemies with Headshots

Kill 5 Enemies in a Row with Headshots

Finish the Game on Easy Without Changing the Difficulty

Kill 50 Enemies with the M32-Hammer

Kill 20 Enemies with the Pistole

Kill 50 Enemies with the M4