Full list of all 29 Second Extinction achievements worth 1,000 gamerscore. It takes around 20-25 hours to unlock all of the achievements on Xbox One.
Find the Golden Egg.
Complete the mission "Vestige".
Deploy 10 times.
Complete the mission ”Research And Rescue".
Kill 750 Enemies.
Complete the mission "Charged Extraction".
Complete a mission without using a Health Stim.
Complete a Mission without any on the team having to respawn.
Kill a T-Rex with a supply drop.
Kill 20 Enemies With Supply Drops.
Complete the mission "Homebound".
Take a Raptor with you when you extract.
First Deployment.
Complete the mission "Contact".
Complete the mission ”Black Site".
Liberate The Land
Complete 10 Contracts.
Complete 20 Contracts.
Complete 40 Contracts.
Respawn 20 times.
Respawn 40 times.
Respawn 100 times.
Deploy 20 times.
Deploy 50 times.
Deploy 100 times.
Kill 2000 Enemies.
Kill 6666 Enemies.
Newt Was Right
Unlock all perks for one weapon.