Seriously Good At This

The player has completed the game on the hardest difficulty setting.

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.

Tonic Collector

The player has collected or invented 53 Tonics in the Physical, Engineering and Combat tracks

Historian

The player has found every audio diary.

Dealt with every Little Sister

The player has either Harvested or Rescued every possible Little Sister

Weapon Specialist

The player has acquired all upgrades for all weapons.

Avid Inventor

The player has successfully invented at least 100 items.

Five Fully Upgraded Weapons

The player has fully upgraded five 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.

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.

Four Fully Upgraded Weapons

The player has fully upgraded four weapons.

Maxed All Tracks

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

Research PhD

The player has maxed out all possible research.

Fully Researched Nitro Splicer

The player has fully researched the Nitro Splicer.

Fully Researched Little Sister

The player has fully researched the Little Sister.

Defeated Andrew Ryan

The player has defeated Andrew Ryan

Fully Researched Bouncer

The player has fully researched the Bouncer.

Three Fully Upgraded Weapons

The player has fully upgraded three weapons.

Completed Cohen's Masterpiece

The player has completed Sander Cohen's great masterpiece

Prolific Photographer

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

Two Fully Upgraded Weapons

The player has fully upgraded two weapons.

Fully Researched Spider Splicer.

The player has fully researched the Spider Splicer.

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 Rosie

The player has fully researched the Rosie.

Basic Inventor

The player has successfully invented at least one item.

Fully Researched Houdini Splicer

The player has fully researched the Houdini 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.

Fully Researched Thug Splicer

The player has fully researched the Thuggish Splicer.

Upgraded a Weapon

The player has acquired at least one weapon upgrade.

Defeated Peach Wilkins

The player has defeated Peach Wilkins

Skilled Hacker

The player has successfully completed 50 hacks.

Fully Researched Gun Splicer

The player has fully researched the Leadhead Splicer.

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.

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 Security Camera

The player has successfully hacked a security camera.

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.