Full list of all 48 Sniper: Ghost Warrior 2 achievements worth 1,250 gamerscore.
The base game contains 38 achievements worth 1,000 Gamerscore, and there is 1 DLC pack containing 10 achievements worth 250 Gamerscore.
Achieved 100% accuracy in any single player mission
Collected all secrets in Act 3
Killed all enemy snipers in Sniper Alley without being hit ("Ghosts of Sarajevo")
Collected all secrets in Act 2
Completed the Campaign using max one medkit per mission
Completed the game on Casual
Completed the game on Medium
Completed the game on Expert
Killed Maddox once and for all ("No Loose Ends")
In the final duel with Maddox, killed him with the first shot ("No Loose Ends")
Retrieved your weapon without being detected ("Burning Bridges")
Completed Act 2
Killed Major Vladic ("And Justice For All")
Killed 30 enemies using your sidearm
Killed 15 enemies with a stealth kill
Completed any act without using medkits
Completed Act 1
Collected all secrets in Act 1
Took 50 headshots in single player
Killed all enemies in the beach houses without causing an alarm ("Leave No Man Behind")
Killed three or more enemies by shooting a grenade
Killed 50 enemies while holding your breath
Killed 25 enemies using thermal or night vision goggles
Rescued the friendly ("From Out Of Nowhere")
Killed 20 enemies from a distance of 600m or greater
Took a successful shot from a distance of 1 km or greater
Completed any single player mission without using med kits, but taking damage
Killed 100 opponents in multiplayer
Won 25 Team Deathmatch rounds
Took 50 headshots in multiplayer
Killed 50 opponents in multiplayer
Won 10 Team Deathmatch rounds
Took 25 headshots in multiplayer
Killed 25 opponents in multiplayer
Killed 10 opponents in multiplayer using your sidearm
Won 5 rounds in a row in Team Deathmatch
In one multiplayer round killed an opponent with a sniper rifle, sidearm and melee attack
Participated in any multiplayer match
Begin the hunt
Complete "Operation Siberian Strike"
Complete "It Takes Two"
Complete "Last Rites"
Get the train moving again
Complete the first interrogation
Complete the second interrogation
Complete the third interrogation
Sneak through the underground storehouse undetected
Collect all secrets in Siberian Strike campaign