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