Successfully invent at least one item.
Rescued the Little Sister in &Worlds of Hurt& in under 15:00, on Medium or higher difficulty
Rescued the Little Sister in &Worlds of Hurt& on medium or higher difficulty using only the wrench.
Rescued the Little Sister in &Worlds of Hurt&
Found all collectable Roses in &Worlds of Hurt&
The player has rescued the Little Sister in &A Shocking Turn of Events& in under 4:00
Rescued the Little Sister in &A Shocking Turn of Events&
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 &The 'I' in Team& without destroying any Machine Gun Turrets
Rescued the Little Sister in &The 'I' in Team& in under 3:00
Rescued the Little Sister in &The 'I' in Team&
Found all collectable Roses in &The 'I' in Team&
Complete the game on Hard difficulty without using a Vita-Chamber.
Complete the game without harvesting any Little Sisters.
Complete the game on the hardest difficulty setting.
The player has defeated Atlas.
The player has become a Big Daddy.
Find every audio diary.
Either Harvest or Rescue every Little Sister in the game.
Acquire all upgrades for all weapons.
Collect or Invent 53 Tonics in the Physical, Engineering and Combat tracks.
Fully upgrade five weapons.
The player has broken Fontaine's mind control.
Successfully invented all possible ammo types.
Successfully invent at least 100 items.
The player has taken a picture of Sander Cohen's corpse.
The player has entered Sander Cohen's personal quarters.
Fully upgrade four weapons.
Purchased every slot in all four Plasmid and Tonic tracks.
The player has defeated Andrew Ryan.
Fully upgrade three weapons.
Fully upgrade two weapons.
Fully research the Little Sister.
Max out all possible research.
Fully research the Nitro Splicer.
The player has completed Sander Cohen's great masterpiece.
Fully research the Bouncer.
Purchased every slot in one of the Plasmid or Tonic tracks.
Take at least one photo in every research group.
Fully research the Spider Splicer.
Hit the jackpot at a slot machine.
The player has restored the forests of Arcadia.
Fully upgrade one weapon.
Fully research the Rosie.
Fully research the Houdini Splicer.
Fully research the Thuggish Splicer.
Acquire at least one weapon upgrade.
The player has defeated Peach Wilkins.
Fully research the Leadhead Splicer.
Successfully complete 50 hacks.
Take a Research Photo of the highest grade.
Take at least one Research Photo of a Splicer.
Purchase one slot in any Plasmid or Tonic track.
The player has defeated the crazed Dr. Steinman.
Successfully hack a safe.
Successfully hack a security camera.
Successfully hack a turret.
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.
