



Shock an enemy in the water

Successfully complete the Welcome To Rapture Level

Perform at least one successful hack

Successfully hack a security bot

Successfully hack a Vending Machine

Successfully hack a Turret

Successfully hack a safe

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Successfully hack a Security Camera

Purchase a Plasmid Slot or Tonic Slot in any track

Take at least one Research Photo of a Splicer

Take a Research Photo of the highest grade

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Acquire at least one weapon upgrade

Invent at least one item

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Fully upgrade one weapon

Successfully complete 50 hacks

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Purchased every slot in one of the Plasmid or Tonic tracks

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Fully upgrade two weapons

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Fully upgrade three weapons

Complete the game without harvesting any Little Sisters

Fully upgrade four weapons

Either Harvest or Rescue every Little Sister in the game

Purchase every slot in all four Plasmid and Tonic tracks

Collect or Invent 53 Tonics in the Physical, Engineering and Combat tracks

Fully research the Leadhead Splicer

Invent all possible ammunication types

Fully research the Thuggish Splicer

Fully research the Spider Splicer

Take at least one photo in every research group

Fully upgrade five weapons

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Fully research the Houdini Splicer

Fully research the Rosie

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Fully research the Little Sister

Fully research the Nitro Splicer

Fully research the Bouncer

Complete the game on the hardest difficulty setting

Acquire all upgrades for all weapons

Hit the jackpot at a slot machine

Successfully invent at least 100 items

Rescued the Little Sister in “The ‘I’ in Team”

Max out all possible research

Rescued the Little Sister in “A Shocking Turn of Events”

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Rescued the Little Sister in “Worlds of Hurt”

Rescued the Little Sister in “The ‘I’ in Team” in under 3:00

Find every audio diary

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Found all collectable Roses in “The ‘I’ in Team”

Rescued the Little Sister in “The ‘I’ in Team” without destroying any Machine Gun Turrets

The player has rescued the Little Sister in “A Shocking Turn of Events” in under 4:00

Found all collectable Roses in “A Shocking Turn of Events”

Charged up the Ferris Wheel 9 different times in “A Shocking Turn of Events”

Found all collectable Roses in “Worlds of Hurt”

Rescued the Little Sister in “Worlds of Hurt” using only plasmids, tonics, the wrench, and the research camera, on Medium or higher difficulty

Rescued the Little Sister in “Worlds of Hurt” in under 15:00, on Medium or higher difficulty