Snipe an enemy through his eye

Get a testicle-shot from over 100m away

Play 10 competitive multiplayer matches

Earn 1 of every ribbon in competitive multiplayer

Kill enemy from zip line

Kill all enemies in the beach houses without causing an alarm ("Leave No Man Behind")

Kill 2 enemies using an explosion

Finish a Contract using only sniper rifles

Lead the prisoner to safety without raising the alarm

Kill everyone from all of the reinforcement waves during the Oil Field contract

Escape the Server Room ambush without being detected

Kill Novikov while he's inspecting a damaged Antenna