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.
Complete game on "FUBAR" difficulty.
You are relieved.
Choose restraint.
Show mercy.
Follow your orders.
Kill 50 enemies using only the Attack Command. (campaign only)
Playing it smart.
Kill 10 enemies while they use zip lines or are rappelling. (campaign only)
Live and let live.
Live and let die.
Complete game on "Combat Op" difficulty.
Complete game on "Suicide Mission" difficulty.
Carry on, soldier.
Complete game on "Walk on the Beach" difficulty.
The end of the line.
Recover all Intel Items.
Kill 50 enemies with grenades. (campaign only)
Choose vengeance.
Kill 350 enemies with any rifle. (campaign only)
Get out of here!
Stand united.
Hit 10 enemies with your melee attack. (campaign only)
Kick an enemy by vaulting over a cover. (campaign only)
Save a bullet.
Kill 150 enemies with any heavy weapon. (campaign only)
Blow up 10 explosive objects, killing at least one enemy each time. (campaign only)
Kill 50 enemies with any sniper rifle. (campaign only)
Kill 250 enemies with headshots. (campaign only)
Kill an enemy by tagging him with a sticky grenade. (campaign only)
Stun an enemy by dumping sand on their head. (campaign only)
Buck the chain of command.
Play it loose.
Recover 12 Intel Items
Face the horrors of war.
Kill 75 enemies with any shotgun. (campaign only)
Sprint into cover 10 times while under fire. (campaign only)
Kill 4 enemies with a shotgun in 10 seconds or less. (campaign only)
Kill an Edged Weapon Expert while he is up to 5 meters away. (campaign only)
Kill 100 enemies with any pistol or SMG. (campaign only)
Engineer an exit strategy.
We have contact.
Kill an enemy just as they are throwing a grenade. (campaign only)
Kill 5 enemies using blind fire. (campaign only)
Look out below.
Kill 3 enemies with a single grenade. (campaign only)
What's lost is found.
Recover one Intel Item.
Kill an oryx. (campaign only)
