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