Here is the full list of all 32 Sniper Ghost Warrior trophies - there are 14 bronze, 12 silver, 5 gold and 1 platinum.
Win 50 rounds playing online. (Multiplayer)
Kill 2000 enemies. (Multiplayer)
Capture 50 flags from the enemy camp. (Multiplayer)
Kill 500 people using sniper rifle. (Multiplayer)
Kill 250 people using sniper rifle. (Multiplayer)
Kill 250 people using pistol. (Multiplayer)
Collect all other trophies.
Complete Act I.
Complete Act II.
Complete Act III.
Complete Act IV.
Finish the game on Easy difficulty.
Finish the game on Normal difficulty.
Finish the game on Hard difficulty.
Finish the 'The last hunt' mission.
Kill 10 eagles.
Kill all the enemy snipers in 'Appearances can be deceiving' in less than four minutes.
Finish the 'The last hunt' mission having fired no more than 10 shots.
Kill 10 enemies with throwing knives.
Kill a total of 30 enemies with Browning gun.
Kill 2 enemies with one grenade.
Kill 2 enemies with one shot.
Collect all secrets.
Deliver 50 headshots.
Deliver 100 headshots.
Kill the escaping drug baron in 'Better late than never' mission.
Kill all enemies attacking your pontoon from the riverside on 'Weaken The Regime' level.
Shoot an enemy through a wall.
Finish the 'Under cover of night' mission without having the guards raise an alarm.
Stealthily enter the manor in 'Better late than never' mission.
Kill 15 enemy using concentration mode.
Shoot 5 cable lines using sniper rifles.