Complete each achievement to get the allotted gamerscore. The numbers between the () is the points given for each achievement.
| Achievement | How to unlock |
| World Warrior(5) | Participated in any multiplayer match |
| Bloodstreak(10) | Killed 25 opponents in multiplayer |
| Fisher King(10) | Killed 25 enemies using thermal or night vision goggles |
| Kill With Still(10) | Killed 50 enemies while holding your breath |
| Operation Quarterback(10) | Completed Act 1 |
| Say Hello To My Little Friend(10) | Killed 30 enemies using your sidearm |
| Unhappy Camper(10) | Killed 10 opponents in multiplayer using your sidearm |
| Wrath Child(10) | Won 10 Team Deathmatch rounds |
| Balls Of Steel(20) | Completed any single player mission without using med kits, but taking damage |
| Distance Matters Not(20) | Killed 20 enemies from a distance of 600m or greater |
| In Search of Enlightenment(20) | Collected all secrets in Act 3 |
| Keepsakes Of War(20) | Collected all secrets in Act 2 |
| Kill That F**ing Band!(20) | Took 25 headshots in multiplayer |
| Left No Man Behind(20) | Completed the game on Casual |
| Operation Archangel(20) | Completed Act 2 |
| Poking the Bush(20) | Collected all secrets in Act 1 |
| Psst, Don't Look Behind You(20) | Killed 15 enemies with a stealth kill |
| Worlds Apart(20) | Took a successful shot from a distance of 1 km or greater |
| Bullets Can't Hurt Me(25) | Completed any act without using medkits |
| Hazardous Materials(25) | Killed three or more enemies by shooting a grenade |
| Death Dealer(30) | Won 25 Team Deathmatch rounds |
| Death's Scythe(30) | Took 50 headshots in single player |
| Nerves Of Steel(30) | Achieved 100% accuracy in any single player mission |
| Pure Ownage(30) | Killed 50 opponents in multiplayer |
| Blood And Tears(50) | Took 50 headshots in multiplayer |
| Everything But The Kitchen Sink(50) | In one multiplayer round killed an opponent with a sniper rifle, sidearm and melee attack |
| My Rifle Is My Best Friend(50) | Completed the game on Medium |
| The Sniper Elite(50) | Killed 100 opponents in multiplayer |
| U Can't Touch This(50) | Won 5 rounds in a row in Team Deathmatch |
| Harvester Of Sorrow(75) | Completed the game on Expert |
| I Never Bleed(75) | Completed the Campaign using max one medkit per mission |
| Secret Achievements | - |
| Hangman's Knot(10) | Killed Major Vladic ("And Justice For All") |
| Nemesis(10) | Killed Maddox once and for all ("No Loose Ends") |
| Guardian Angel(15) | Rescued the friendly ("From Out Of Nowhere") |
| Karma Chameleon(20) | Retrieved your weapon without being detected ("Burning Bridges") |
| Solid Sandman(20) | Killed all enemies in the beach houses without causing an alarm ("Leave No Man Behind") |
| Back To School(30) | Killed all enemy snipers in Sniper Alley without being hit ("Ghosts of Sarajevo") |
| Laugh This Off(50) | In the final duel with Maddox, killed him with the first shot ("No Loose Ends") |
| DLC Achievements | Siberian Strike |
| Down Under(10) | Completed "Last Rites" |
| Fool For The City(10) | Completed "Operation Siberian Strike" |
| With A Little Help From Friends(10) | Completed "It Takes Two" |
| Once More Into The Fray(30) | Begun the hunt |
| Getting Tail in Siberia(50) | Collected all secrets in Siberian Strike campaign |
| DLC Secret Achievements | - |
| Actions Speak Louder Than Words(20) | Completed the third interrogation |
| Learning To Fly(20) | Completed the second interrogation |
| Taste of Your Own Medicine(20) | Completed the first interrogation |
| Easy Rider(30) | Got the train moving again |
| Shadow Man(50) | Sneaked through the underground storehouse undetected |