Take 50 headshots in single player

Kill 20 enemies from a distance of 600m or greater

Complete any single player mission without using med kits, but taking damage

Sacrifice Hannah to save the Valkyrie in the Campaign

Get 5 kills with Shank in the Kunlun Mountains mission in the Campaign

Stealthily kill 15 Enemies.

Install all possible Customizations for a Weapon.

Save the Bear from the Watchmen after the fight.

Kill the Rhino.

Kill 100 Mutants.

Rescue the Women and Children on the BANDITS level without raising alarm.

Make 10 Spiders flip belly-up.

Escape from the Red Line.