Successfully hack a safe
Successfully hack a Vending Machine
Perform at least one successful hack
Successfully hack a security bot
Successfully complete the Welcome To Rapture Level
Shock an enemy in the water
Acquire all upgrades for all weapons
Acquire at least one weapon upgrade
Fully research the Bouncer
Take at least one photo in every research group
Fully research the Thuggish Splicer
Fully research the Spider Splicer
Fully research the Houdini Splicer
Fully research the Leadhead Splicer
Fully research the Nitro Splicer
Fully research the Rosie
Fully research the Little Sister
Take a Research Photo of the highest grade
Successfully hack a Turret
Successfully hack a Security Camera
Invent all possible ammunication types
Complete the game on the hardest difficulty setting
Invent at least one item
Purchase a Plasmid Slot or Tonic Slot in any track
Take at least one Research Photo of a Splicer
Either Harvest or Rescue every Little Sister in the game
Purchased every slot in one of the Plasmid or Tonic tracks
Purchase every slot in all four Plasmid and Tonic tracks
Fully upgrade one weapon
Fully upgrade two weapons
Fully upgrade three weapons
Fully upgrade four weapons
Fully upgrade five weapons
Hit the jackpot at a slot machine
Find every audio diary
Successfully complete 50 hacks
Complete the game without harvesting any Little Sisters
Successfully invent at least 100 items
Collect or Invent 53 Tonics in the Physical, Engineering and Combat tracks
Max out all possible research
Rescued the Little Sister in “The ‘I’ in Team”
Rescued the Little Sister in “The ‘I’ in Team” in under 3:00
Found all collectable Roses in “The ‘I’ in Team”
Rescued the Little Sister in “The ‘I’ in Team” without destroying any Machine Gun Turrets
Rescued the Little Sister in “A Shocking Turn of Events”
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”
Rescued the Little Sister in “Worlds of Hurt”
Rescued the Little Sister in “Worlds of Hurt” in under 15:00, on Medium or higher difficulty
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
