Completed Act 1

Completed Act 2

Completed the game on Casual

Completed the game on Medium

Completed the game on Expert

Collected all secrets in Act 1

Collected all secrets in Act 2

Collected all secrets in Act 3

Killed three or more enemies by shooting a grenade

Took 50 headshots in single player

Achieved 100% accuracy in any single player mission

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

Killed 30 enemies using your sidearm

Killed 15 enemies with a stealth kill

Killed 50 enemies while holding your breath

Killed 20 enemies from a distance of 600m or greater

Killed 25 enemies using thermal or night vision goggles

Took a successful shot from a distance of 1 km or greater

Completed any act without using medkits

Completed the Campaign using max one medkit per mission

Killed 25 opponents in multiplayer

Killed 50 opponents in multiplayer

Killed 100 opponents in multiplayer

Took 25 headshots in multiplayer

Took 50 headshots in multiplayer

Killed 10 opponents in multiplayer using your sidearm

Won 5 rounds in a row in Team Deathmatch

Won 10 Team Deathmatch rounds

Won 25 Team Deathmatch rounds

In one multiplayer round killed an opponent with a sniper rifle, sidearm and melee attack

Participated in any multiplayer match

Killed Major Vladic ("And Justice For All")

Killed Maddox once and for all ("No Loose Ends")

In the final duel with Maddox, killed him with the first shot ("No Loose Ends")

Killed all enemy snipers in Sniper Alley without being hit ("Ghosts of Sarajevo")

Rescued the friendly ("From Out Of Nowhere")

Retrieved your weapon without being detected ("Burning Bridges")

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