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