| Achievement | How to unlock
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|---|
| "Mr. Bubbles-- No!" ( 20 points ) | Take down your first Big Daddy in a non-private match.
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| Against All Odds ( 30 points ) | Finish the game on the hardest difficulty level.
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| All Plasmids ( 20 points ) | Find or purchase all 11 basic Plasmid types.
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| All Weapon Upgrades ( 20 points ) | Find all 14 Power to the People weapon upgrades in the game.
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| Big Brass Balls ( 25 points ) | Finish the game without using Vita-Chambers.
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| Big Spender ( 15 points ) | Spend 2000 dollars at Vending Machines.
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| Bought a Slot ( 5 points ) | Buy one Plasmid or Tonic Slot at a Gatherer's Garden.
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| Choose the Impossible ( 50 points ) | Achieve Rank 40.
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| Dealt with Every Little Sister ( 50 points ) | Either Harvest or Save every Little Sister in the game.
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| Disgusting Frankenstein ( 10 points ) | Become a Big Daddy for the first time in a non-private match.
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| First Research ( 5 points ) | Research a Splicer with the Research Camera.
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| Fully Upgraded a Plasmid ( 10 points ) | Fully upgrade one of your Plasmids to the level 3 version at a Gatherer's Garden.
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| Fully Upgraded a Weapon ( 10 points ) | Install the third and final upgrade to any of your weapons.
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| Grand Daddy ( 25 points ) | Defeat 3 Big Daddies without dying during the fight.
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| Little Moth ( 20 points ) | Achieve Rank 20.
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| Man About Town ( 10 points ) | Play at least one non-private match on each multiplayer map.
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| Master Gatherer ( 30 points ) | Gather 600 ADAM with Little Sisters.
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| Master Hacker ( 20 points ) | Hack 30 machines at a distance with the Hack Tool.
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| Master Protector ( 15 points ) | Get through a Gather with no damage and no one getting to the Little Sister.
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| Max Plasmid Slots ( 10 points ) | Fully upgrade to the maximum number of Plasmid Slots.
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| Mother Goose ( 20 points ) | Save your first Little Sister in a non-private match.
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| One Research Track ( 20 points ) | Max out one Research Track.
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| Parasite ( 10 points ) | Achieve Rank 10.
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| Prolific Hacker ( 20 points ) | Successfully hack at least one of every type of machine.
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| Proving Grounds ( 20 points ) | Win your first non-private match.
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| Rapture Historian ( 40 points ) | Find 100 audio diaries.
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| Research Master ( 20 points ) | Max out research on all 9 research subjects.
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| Skin Job ( 20 points ) | Achieve Rank 30.
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| Trap Master ( 15 points ) | Kill 30 enemies using only Traps.
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| Two-Bit Heroics ( 10 points ) | Complete your first trial in a non-private match.
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| Unnatural Selection ( 10 points ) | Score your first kill in a non-private match.
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| Upgraded a Weapon ( 10 points ) | Upgrade any weapon at a Power to the People Station.
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| Welcome to Rapture ( 10 points ) | Complete your first non-private match.
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| Achievement | How to unlock
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|---|
| 9-Irony ( 5 points ) | Paid your respects to the founder of Rapture.
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| Adopted a Little Sister ( 5 points ) | Adopted a new Little Sister for the first time.
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| Confronted Grace ( 10 points ) | Confronted Lamb’s lieutenant in Pauper’s Drop.
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| Counterattack ( 5 points ) | Killed an enemy with its own projectile.
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| Daddy's Home ( 10 points ) | Found your way back into the ruins of Rapture.
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| Defeated the Preacher ( 20 points ) | Defeated the Preacher.
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| Distance Hacker ( 5 points ) | Used the Hack Tool to hack an object at a distance.
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| Escape ( 100 points ) | Escaped Rapture.
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| Found Lamb's Hideout ( 20 points ) | Gained access to Lamb’s stronghold.
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| Heading to the Surface ( 25 points ) | Headed to the surface on the side of Sinclair's escape pod.
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| Look at You, Hacker ( 15 points ) | Killed 50 enemies using only hacked Security.
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| Nose for News ( 20 points ) | Uncovered the secret of Dionysus Park.
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| Protector ( 20 points ) | Defended yourself against Lamb's assault in the train station.
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| Reunion ( 50 points ) | Reunited with your original Little Sister.
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| Savior ( 25 points ) | Saved every Little Sister and spared Grace, Stanley and Gil.
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| Sinclair’s Solution ( 20 points ) | Joined forces with Sinclair in Ryan Amusements.
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| Unbreakable ( 20 points ) | Defended yourself against the Big Sister without dying.
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