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