Here is the full list of all 51 Spec Ops: The Line trophies - there are 42 bronze, 5 silver, 3 gold and 1 platinum.
Unlock all Trophies.
Complete any chapter with 60%+ accuracy without dying or reloading a checkpoint.
Complete three chapters in a row without being killed or reloading a checkpoint.
Recover all Intel Items.
Complete game on "FUBAR" difficulty.
Kill 10 enemies while they use zip lines or are rappelling. (campaign only)
Sprint into cover 10 times while under fire. (campaign only)
Live and let live.
Live and let die.
Complete game on "Suicide Mission" difficulty.
Carry on, soldier.
Choose vengeance.
Kill an oryx. (campaign only)
Save a bullet.
Follow your orders.
Play it loose.
Kill 250 enemies with headshots. (campaign only)
Kill 50 enemies with any sniper rifle. (campaign only)
Kill 75 enemies with any shotgun. (campaign only)
Kill 4 enemies with a shotgun in 10 seconds or less. (campaign only)
Kill 100 enemies with any pistol or SMG. (campaign only)
Complete game on "Combat Op" difficulty.
Complete game on "Walk on the Beach" difficulty.
You are relieved.
The end of the line.
Kill 150 enemies with any heavy weapon. (campaign only)
Kill 350 enemies with any rifle. (campaign only)
Choose restraint.
Blow up 10 explosive objects, killing at least one enemy each time. (campaign only)
Kill 50 enemies with grenades. (campaign only)
Kill an Edged Weapon Expert while he is up to 5 meters away. (campaign only)
Get out of here!
Recover 12 Intel Items.
Stand united.
Kick an enemy by vaulting over a cover. (campaign only)
Show mercy.
Hit 10 enemies with your melee attack. (campaign only)
Stun an enemy by dumping sand on their head. (campaign only)
Buck the chain of command.
Kill 50 enemies using only the Attack Command. (campaign only)
Play it smart.
Face the horrors of war.
Kill an enemy by tagging him with a sticky grenade. (campaign only)
Kill 5 enemies using blind fire. (campaign only)
Engineer an exit strategy.
Kill 3 enemies with a single grenade. (campaign only)
Kill an enemy just as they are throwing a grenade. (campaign only)
We have contact.
Look out below.
Recover one Intel Item.
What's lost is found.