| Ammo Inventor (25) |
Successfully invented all possible ammo types. |
| Avid Inventor (10) |
Successfully invent at least 100 items. |
| Basic Inventor (5) |
Successfully invent at least one item. |
| Became a Big Daddy (30) |
The player has become a Big Daddy. |
| Bought One Slot (5) |
Purchase one slot in any Plasmid or Tonic track. |
| Brass Balls (100) |
Beat the game on Hard difficulty without using a Vita Chamber. |
| Broke Fontaine's Mind Control (30) |
The player has broken Fontaine's mind control. |
| Completed Cohen's Masterpiece (30) |
The player has completed Sander Cohen's great masterpiece. |
| Completed Welcome (10) |
Successfully complete the Welcome To Rapture Level. |
| Dealt with every Little Sister (40) |
Either Harvest or Rescue every Little Sister in the game. |
| Defeated Andrew Ryan (30) |
The player has defeated Andrew Ryan. |
| Defeated Atlas (100) |
The player has defeated Atlas. |
| Defeated Dr. Steinman (15) |
The player has defeated the crazed Dr. Steinman. |
| Defeated Peach Wilkins (15) |
The player has defeated Peach Wilkins. |
| Five Fully Upgraded Weapons (10) |
Fully upgrade five weapons. |
| Found Cohen's Room (10) |
The player has entered Sander Cohen's personal quarters. |
| Four Fully Upgraded Weapons (10) |
Fully upgrade four weapons. |
| Fully Researched Bouncer (10) |
Fully research the Bouncer. |
| Fully Researched Gun Splicer (10) |
Fully research the Leadhead Splicer. |
| Fully Researched Houdini Splicer (10) |
Fully research the Houdini Splicer. |
| Fully Researched Little Sister (10) |
Fully research the Little Sister. |
| Fully Researched Nitro Splicer (10) |
Fully research the Nitro Splicer. |
| Fully Researched Rosie (10) |
Fully research the Rosie. |
| Fully Researched Spider Splicer (10) |
Fully research the Spider Splicer. |
| Fully Researched Thug Splicer (10) |
Fully research the Thuggish Splicer. |
| Hacked a Safe (10) |
Successfully hack a safe. |
| Hacked a Security Bot (10) |
Successfully hack a security bot. |
| Hacked a Security Camera (10) |
Successfully hack a security camera. |
| Hacked a Turret (10) |
Successfully hack a turret. |
| Hacked a Vending Machine (10) |
Successfully hack a vending machine. |
| Historian (50) |
Find every audio diary. |
| Irony (10) |
The player has taken a picture of Sander Cohen's corpse. |
| Little Sister Savior (100) |
Complete the game without harvesting any Little Sisters. |
| Lucky Winner (10) |
Hit the jackpot at a slot machine. |
| Maxed All Tracks (50) |
Purchased every slot in all four Plasmid and Tonic tracks. |
| Maxed One Track (20) |
Purchased every slot in one of the Plasmid or Tonic tracks. |
| One Fully Upgraded Weapon (5) |
Fully upgrade one weapon. |
| One Successful Hack (5) |
Perform at least one successful hack. |
| Prolific Photographer (5) |
Take at least one photo in every research group. |
| Quality Research Photo (20) |
Take a Research Photo of the highest grade. |
| Research PhD (20) |
Max out all possible research. |
| Researched a Splicer (5) |
Take at least one Research Photo of a Splicer. |
| Restored the Forest (15) |
The player has restored the forests of Arcadia. |
| Seriously Good At This (40) |
Complete the game on the hardest difficulty setting. |
| Skilled Hacker (40) |
Successfully complete 50 hacks. |
| Three Fully Upgraded Weapons (10) |
Fully upgrade three weapons. |
| Toaster in the Tub (10) |
Shock an enemy in the water. |
| Tonic Collector (50) |
Collect or Invent 53 Tonics in the Physical, Engineering and Combat tracks. |
| Two Fully Upgraded Weapons (5) |
Fully upgrade two weapons. |
| Upgraded a Weapon (5) |
Acquire at least one weapon upgrade. |
| Weapon Specialist (20) |
Acquire all upgrades for all weapons. |