Full list of all 24 Sniper: Ghost Warrior achievements worth 1,000 gamerscore. It takes around 20-25 hours to unlock all of the achievements on Xbox 360.
2000 people killed.(Multiplayer)
Collected all secrets.
500 people killed with sniper rifle.(Multiplayer)
Finished game on Normal difficulty.
Finished game on Hard difficulty.
Act IV Completed.
Finished game on Easy difficulty.
250 people killed with sniper rifle.(Multiplayer)
250 people killed with pistol.(Multiplayer)
50 rounds won.(Multiplayer)
5 High-Voltage cable lines broken.
Act III Completed.
30 enemies killed with browning gun.
Act II Completed.
All enemies on riverside in "Weaken The Regime" level killed.
Act I Completed.
10 enemies killed with throwing knives.
100 headshots delivered.
50 headshots delivered.
15 enemies killed in concentration mode.
Enemy killed by the wall.
2 enemies killed with one shot.
2 enemies killed with one grenade.
10 birds killed.