Full list of all 80 BioShock Infinite achievements. It takes around 25-30 hours to unlock all of the achievements in the base game on Windows.
The base game contains 50 achievements, and there are 3 DLC packs containing 30 achievements.
Completed the game on Easy difficulty or above.
Completed the game on Normal difficulty or above.
Unlocked 1999 Mode.
Completed The Hand of the Prophet.
Completed Comstock House.
Completed Emporia.
Spent $10,000 at the vending machines of Columbia.
Used Elizabeth to pick 30 locks.
Opened 30 Tears.
Fully upgraded one weapon and one Vigor.
Completed Factory.
Assisted the gunsmith.
Killed 20 "Heavy Hitter" enemies.
Killed 100 enemies with the Founder Huntsman Carbine or Vox Burstgun.
Killed 75 enemies either with a Vigor or while the enemy is under the effects of a Vigor.
Upgraded one attribute (Health, Shield, or Salts) to its maximum level.
Boarded The First Lady.
Retrieved Shock Jockey.
Looted 200 containers.
Equipped a piece of Gear in all four slots.
Reached Monument Island.
Completed Lighthouse.
Completed the game on Hard difficulty or above.
Completed the game in 1999 Mode.
Killed 20 enemies with a Sky-Hook Execution.
Killed 20 enemies with a Sky-Line Strike.
Killed 25 enemies with the Broadsider Pistol.
Killed 150 enemies with the Founder Triple R Machine Gun or Vox Repeater.
Killed 50 enemies with the Founder China Broom Shotgun or Vox Heater.
Killed 25 enemies with the Paddywhacker Hand Cannon.
Killed 30 enemies with the Bird's Eye Sniper Rifle.
Killed 30 enemies with the Founder Pig Volley Gun or Vox Hail Fire.
Killed 20 enemies with the Barnstormer RPG.
Killed 30 enemies with the Peppermill Crank Gun.
Used all 8 Vigors against enemies.
Lured 3 enemies into a single Vigor trap 5 times.
Performed all 8 of the Vigor combinations.
Killed 20 enemies using Possessed machines.
Killed 20 enemies using allies brought in through a Tear.
Killed 30 enemies while riding a Sky-Line.
Killed 5 enemies with a headshot while riding a Sky-Line.
Killed 10 enemies by utilizing environmental hazards.
Killed 20 enemies by knocking them off Columbia.
Killed 5 enemies while they are falling.
Killed 5 enemies while you are drunk.
Killed a Handyman by only shooting his heart.
Collected every Infusion upgrade in a single game.
Used all telescopes and Kinetoscopes in the game.
Collected every Voxophone.
Complete the game in 1999 Mode without purchasing anything from a Dollar Bill vending machine.
Defeated all waves in The OPS Zeal.
Defeated all waves in Duke and Dimwit Theater.
Defeated all waves in Raven's Dome.
Defeated all waves in Emporia Arcade.
In CitC, unlocked all Gallery items.
In CitC, got a kill with each weapon and vigor (except Bucking Bronco).
In CitC, knocked an enemy off the city with Undertow, then rescued him, then knocked him off again.
In CitC, used all eight different vigor combos to deliver the killing blow on an enemy.
In CitC, killed an enemy with splash damage by shooting a rocket out of the air.
In CitC, completed all Blue Ribbon Challenges.
Took a Bathysphere ride in Burial at Sea - Episode 1.
Completed Burial at Sea - Episode 1.
Collected all Audio Diaries in Burial at Sea - Episode 1.
Purchased any two upgrades for Old Man Winter or Radar Range in Burial at Sea - Episode 1.
Destroyed ten Turrets in Burial at Sea - Episode 1.
Made 5 enemies explode with the Radar Range in Burial at Sea - Episode 1.
Damaged fifteen foes with an exploding enemy, using the Radar Range in Burial at Sea - Episode 1.
Shattered 5 enemies who had been frozen with Old Man Winter.
Froze 2 enemies with the same Old Man Winter trap.
Rode the tram in Burial at Sea - Episode 1.
Repaired the machine in Suchong's lab in Burial at Sea - Episode 2.
Delivered the hair sample in Burial at Sea - Episode 2.
Completed Burial at Sea - Episode 2.
Collected all Audio Diaries and Voxophones in Burial at Sea - Episode 2.
Completed Burial at Sea - Episode 2 in 1998 mode.
Gained five noisemakers through lockpicking.
Knocked out two or more enemies using the same Gas Bolt.
Used Ironsides to collect 20 rounds of ammo or more in Burial at Sea - Episode 2.
On three occasions, knocked out an enemy after silently dropping off a Freight Hook.
While invisible, used Peeping Tom to knock out 15 enemies with a melee attack.