Little Sister Savior

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

Secret Achievement

Fully Researched Little Sister

The player has fully researched the Little Sister.

Secret Achievement

Dealt with every Little Sister

The player has either Harvested or Rescued every possible Little Sister

Four Fully Upgraded Weapons

The player has fully upgraded four weapons.

Three Fully Upgraded Weapons

The player has fully upgraded three weapons.

Secret Achievement

Maxed All Tracks

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

Secret Achievement

Fully Researched Houdini Splicer

The player has fully researched the Houdini Splicer.

Secret Achievement

Lucky Winner

The player has hit the jackpot at a slot machine

Fully Researched Spider Splicer.

The player has fully researched the Spider Splicer.

Maxed One Track

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

Two Fully Upgraded Weapons

The player has fully upgraded two weapons.

Fully Researched Thug Splicer

The player has fully researched the Thuggish Splicer.

Ammo Inventor

The player has successfully invented all possible ammo types.

Secret Achievement

Fully Researched Gun Splicer

The player has fully researched the Leadhead Splicer.

Skilled Hacker

The player has successfully completed 50 hacks.

One Fully Upgraded Weapon

The player has fully upgraded one weapon.

Basic Inventor

The player has successfully invented at least one item.

Upgraded a Weapon

The player has acquired at least one weapon upgrade.

Hacked a Security Camera

The player has successfully hacked a security camera.

Secret Achievement

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

Hacked a Safe

The player has successfully hacked a safe.

Secret Achievement

Toaster in the Tub

The player has shocked an enemy in the water.

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.

Five Fully Upgraded Weapons

The player has fully upgraded five weapons.

Weapon Specialist

The player has acquired all upgrades for all weapons.

Fully Researched Nitro Splicer

The player has fully researched the Nitro Splicer.

Fully Researched Rosie

The player has fully researched the Rosie.

Fully Researched Bouncer

The player has fully researched the Bouncer.

Prolific Photographer

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

Research PhD

The player has maxed out all possible research.

Avid Inventor

The player has successfully invented at least 100 items.

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.

Seriously Good At This

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

Secret Achievement

Secret Achievement

Secret Achievement