Little Sister Savior

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

Defeated Atlas

The player has defeated Atlas

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

Five Fully Upgraded Weapons

The player has fully upgraded five weapons.

Four Fully Upgraded Weapons

The player has fully upgraded four weapons.

Broke Fontaine's Mind Control

The player has broken Fontaine's mind control

Ammo Inventor

The player has successfully invented all possible ammo types.

Fully Researched Nitro Splicer

The player has fully researched the Nitro Splicer.

Fully Researched Little Sister

The player has fully researched the Little Sister.

Maxed All Tracks

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

Fully Researched Rosie

The player has fully researched the Rosie.

Defeated Andrew Ryan

The player has defeated Andrew Ryan

Three Fully Upgraded Weapons

The player has fully upgraded three weapons.

Completed Cohen's Masterpiece

The player has completed Sander Cohen's great masterpiece

Maxed One Track

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

Prolific Photographer

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

Fully Researched Spider Splicer.

The player has fully researched the Spider Splicer.

Two Fully Upgraded Weapons

The player has fully upgraded two weapons.

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 Houdini Splicer

The player has fully researched the Houdini Splicer.

Skilled Hacker

The player has successfully completed 50 hacks.

One Fully Upgraded Weapon

The player has fully upgraded one weapon.

Hacked a Security Camera

The player has successfully hacked a security camera.

Fully Researched Thug Splicer

The player has fully researched the Thuggish Splicer.

Basic Inventor

The player has successfully invented at least one item.

Fully Researched Gun Splicer

The player has fully researched the Leadhead Splicer.

Upgraded a Weapon

The player has acquired at least one weapon upgrade.

Defeated Peach Wilkins

The player has defeated Peach Wilkins

Quality Research Photo

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

Researched a Splicer

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

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.