| 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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