Little Sister Savior

The player has completed the game without harvesting any Little Sisters.

Defeated Atlas

The player has defeated Atlas

Weapon Specialist

The player has acquired all upgrades for all weapons.

Irony

The player has taken a picture of Sander Cohen's corpse

Found Cohen's Room

The player has entered Sander Cohen's personal quarters.

Fully Researched Bouncer

The player has fully researched the Bouncer.

Five Fully Upgraded Weapons

The player has fully upgraded five weapons.

Became a Big Daddy

The player has become a Big Daddy.

Dealt with every Little Sister

The player has either Harvested or Rescued every possible Little Sister

Fully Researched Houdini Splicer

The player has fully researched the Houdini Splicer.

Fully Researched Little Sister

The player has fully researched the Little Sister.

Four Fully Upgraded Weapons

The player has fully upgraded four weapons.

Fully Researched Rosie

The player has fully researched the Rosie.

Ammo Inventor

The player has successfully invented all possible ammo types.

Maxed All Tracks

The player has purchased every slot in all four Plasmid and Tonic tracks

Broke Fontaine's Mind Control

The player has broken Fontaine's mind control

Fully Researched Nitro Splicer

The player has fully researched the Nitro Splicer.

Three Fully Upgraded Weapons

The player has fully upgraded three weapons.

Defeated Andrew Ryan

The player has defeated Andrew Ryan

Two Fully Upgraded Weapons

The player has fully upgraded two weapons.

Completed Cohen's Masterpiece

The player has completed Sander Cohen's great masterpiece

Fully Researched Spider Splicer.

The player has fully researched the Spider Splicer.

Prolific Photographer

The player has taken at least one photo in every research group.

Lucky Winner

The player has hit the jackpot at a slot machine

Restored the Forest

The player has restored the forests of Arcadia

Fully Researched Thug Splicer

The player has fully researched the Thuggish Splicer.

Maxed One Track

The player has purchased every slot in one of the Plasmid or Tonic tracks

One Fully Upgraded Weapon

The player has fully upgraded one weapon.

Skilled Hacker

The player has successfully completed 50 hacks.

Fully Researched Gun Splicer

The player has fully researched the Leadhead Splicer.

Basic Inventor

The player has successfully invented at least one item.

Upgraded a Weapon

The player has acquired at least one weapon upgrade.

Defeated Peach Wilkins

The player has defeated Peach Wilkins

Researched a Splicer

The player has taken at least one Research Photo of a Splicer.

Quality Research Photo

The player has taken a Research Photo of the highest grade.

Hacked a Security Camera

The player has successfully hacked a security camera.

Bought One Slot

The player has purchased one slot in any Plasmid or Tonic track

Defeated Dr. Steinman

The player has defeated the crazed Dr. Steinman

Hacked a Safe

The player has successfully hacked a safe.

Hacked a Turret

The player has successfully hacked a turret.

Hacked a Vending Machine

The player has successfully hacked a vending machine.

Hacked a Security Bot

The player has successfully hacked a security bot.

One Successful Hack

The player has performed at least one successful hack.

Completed Welcome.

The player has successfully completed the Welcome To Rapture Level.

Toaster in the Tub

The player has shocked an enemy in the water.