Kill an alien while flying. Single player only.
Get satellite coverage over every country on one continent.
Build a suit of powered armor.
Kill 50 aliens with explosive weapons.
Advance one of your soldiers to Colonel rank.
Kill 150 aliens.
Build a Laboratory.
Gain access to the lowest level in your base.
Build a Workshop.
Acquire 1000 credits in one month.
Fulfill a Council request.
Build a base facility.
Shoot down a UFO.
Launch a Satellite.
Build an item.
Complete a Research Project.
Complete a mission without losing a soldier.
Complete the tutorial mission.
Complete Ain't That a Kick in the Head.
Raise your threat level by committing a crime that attracts police attention
Jump 800 times.
Find the second achievement pickup in 'Array'.
Find the first achievement pickup in 'Array'.
Begin 'Array'.
Find the first achievement pickup in 'Spawn'.
Take a night course of light education.
Collect 5000 pieces of salvage.
Kill 35 enemies with the pistol.
Lured 3 enemies into a single Vigor trap 5 times.
Killed 20 enemies using allies brought in through a Tear.
Used Elizabeth to pick 30 locks.
Spent $10,000 at the vending machines of Columbia.
Opened 30 Tears.
Fully upgraded one weapon and one Vigor.
Killed 20 "Heavy Hitter" enemies.
Killed 150 enemies with the Founder Triple R Machine Gun or Vox Repeater.
Upgraded one attribute (Health, Shield, or Salts) to its maximum level.
Equipped a piece of Gear in all four slots.