Complete the indicated task to unlock the achievement.

Achievement	How to unlock
A New Pet	Take a raptor with you when you extract.
Armed To The Teeth	Unlock all perks for one weapon.
Black Site	Complete the mission "Black Site".
Can't Stop Me	Respawn 40 times.
Can't Touch This	Complete a mission without any on the team having to respawn.
Charged Extraction	Complete the mission "Charged Extraction".
Consultant	Complete 40 Contracts.
Contact	Complete the mission "Contact".
Contractor	Complete 20 Contracts.
Death From Above	Kill 20 Enemies with Supply Drops.
Exterminator	Kill 6666 Enemies.
General	Deploy 100 times.
Guess Who's Back	Respawn 20 times.
Homebound	Complete the mission "Homebound".
I Don't Bleed	Complete a mission without using a Health Stim.
Major	Deploy 50 times.
Mass Murderer	Kill 2000 Enemies.
Paper Work	Complete 10 Contracts.
Precision Strike	Kill a T-Rex with a Supply Drop.
Private	Deploy 10 times.
Research And Rescue	Complete the mission "Research And Rescue".
Sergeant	Deploy 20 times.
Serial Killer	Kill 750 Enemies.
Treasure Seeker	Find the golden egg.
Unstoppable Force	Respawn 100 times.
Vestige	Complete the mission "Vestige".