Almightysharkstr

The player has defeated Atlas

The player has restored the forests of Arcadia

The player has completed Sander Cohen's great masterpiece

The player has defeated Andrew Ryan

Acquire all upgrades for all weapons

Max out all possible research

Fully research the Bouncer

Take at least one photo in every research group

The player has fully researched the Thuggish Splicer

The player has fully researched the Spider Splicer

Fully research the Houdini Splicer

The player has fully researched the Leadhead Splicer

Fully research the Nitro Splicer

Fully research the Rosie

Fully research the Little Sister

Successfully invent at least 100 items

The player has successfully invented all possible ammo types

Collect or Invent 58 Tonics in the Physical, Engineering and Combat tracks

The player has completed the game on the Hard difficulty setting

The player has successfully invented at least one item

The player has broken Fontaine's mind control

The player has either Harvested or Rescued every possible Little Sister

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

Purchased every slot in all four Plasmid and Tonic tracks

The player has fully upgraded one weapon

The player has fully upgraded two weapons

The player has fully upgraded three weapons

Fully upgrade four weapons

Fully upgrade five weapons

The player has become a Big Daddy

Hit the jackpot at a slot machine

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

The player has entered Sander Cohen's personal quarters