Finish the Game on Normal Without Changing the Difficulty

Kill 30 Enemies with the Tau Sniper

Kill 30 Enemies with the M9

Play in the Swimming Pool on the Cruise Ship

Kill 30 Enemies with the KAL-7

Kill 100 Enemies with Headshots

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

Defeat 50 Enemies with Hand-to-Hand Combat

Defeat 20 Enemies with Hand-to-Hand Combat

Kill 5 Enemies in a Row with Headshots

Earn one or more stars on all Survival stages on the Crushing setting

Attain ‘Notorious’ status in Ships Destroyed

Open the Gates of Tisiphone