Achieved | Achievement | % of players | Unlock date |
|---|---|---|---|
 | Daddy's Home Found your way back into the ruins of Rapture. | 98.28% | |
 | Distance Hacker Used the Hack Tool to hack an object at a distance. | 96.45% | |
 | Protector Defended yourself against Lamb's assault in the train station. | 82.84% | |
 | Upgraded a Weapon Upgraded a weapon at a Power to the People Station. | 79.48% | |
 | Adopted a Little Sister Adopted a new Little Sister for the first time. | 77.19% | |
 | Sinclair's Solution Joined forces with Sinclair in Ryan Amusements. | 69.09% | |
 | First Research Researched a Splicer with the Research Camera. | 63.43% | |
 | Unbreakable Defended yourself against the Big Sister without dying. | 63.28% | |
 | Bought a Slot Bought one Plasmid Slot or Tonic Slot at a Gatherer's Garden. | 63.28% | |
 | Prolific Hacker Hacked one of each kind of machine. | 59.61% | |
 | Confronted Grace Confronted Lamb's lieutenant in Pauper's Drop. | 59.15% | |
 | Fully Upgraded a Weapon Installed the third upgrade to a weapon. | 54.57% | |
 | Grand Daddy Defeated 3 Big Daddies without dying during a fight. | 52.58% | |
 | Defeated the Preacher Defeated the Preacher. | 50.9% | |
 | Big Spender Spent 2000 Dollars at Vending Machines. | 47.69% | |
 | Nose for News Uncovered the secret of Dionysus Park. | 46.47% | |
 | Fully Upgraded a Plasmid Fully upgraded one Plasmid to the Level 3 version. | 44.33% | |
 | Found Lamb's Hideout Gained access to Lamb's stronghold. | 42.8% | |
 | Reunion Reunited with your original Little Sister. | 42.64% | |
 | Heading to the Surface Headed to the surface on the side of Sinclair's escape pod. | 41.12% | |
 | Escape Escaped Rapture. | 41.12% | |
 | Dealt with Every Little Sister Dealt with every Little Sister. | 38.82% | |
 | Master Gatherer Gather 600 ADAM with Little Sisters. | 36.53% | |
 | Look at You, Hacker Killed 50 enemies using only hacked Security. | 33.93% | |
 | Max Plasmid Slots Fully upgraded to the maximum number of Plasmid Slots. | 33.63% | |
 | Master Hacker Hacked 30 machines at a distance with the Hack Tool. | 32.1% | |
 | One Research Track Maxed out one Research Track. | 27.51% | |
 | Master Protector Got through a Gather with no damage and no one getting to the Little Sister. | 27.51% | |
 | Trap Master Killed 30 enemies using only Traps. | 27.05% | |
 | Counterattack Killed an enemy with its own projectile. | 26.44% | |
 | Rapture Historian Find 100 Audio Diaries. | 20.79% | |
 | Savior Saved every Little Sister and spared Grace, Stanley, and Gil. | 18.34% | |
 | Lancer Killer Kill a Lancer Big Daddy | 16.81% | |
 | Login Reached Rapture Central Computing Operations | 14.52% | |
 | Root Access Granted Reached Computer Core Access | 13.76% | |
 | SUDO Wrested control of the Thinker from Reed Wahl | 13.6% | |
 | Logout Escaped Minerva's Den | 13.6% | |
 | Big Brass Balls Finished the game without using Vita-Chambers. | 12.53% | |
 | All Weapon Upgrades Found every Power to the People weapon upgrades in the game. | 12.07% | |
 | ADAM Addict Resolved all the Little Sisters in Minerva's Den | 12.07% | |
 | Against All Odds Finished the game on the hardest difficulty level. | 11.31% | |
 | All Plasmids Found or purchased all 11 basic Plasmid types. | 11% | |
 | 9-Irony Paid your respects to the founder of Rapture. | 7.64% | |
 | Research Master Completed all research on every subject in Rapture. | 7.18% | |
 | Garbage Collection Destroyed all 10 Vacuum Bots in Minerva's Den | 7.18% | |
 | Perfect Protector Collected 100% of the ADAM in a single Protector Trial. | 6.57% | |
 | Litmus Test Earned 6 stars in the Protector Trials | 6.27% | |
 | Acid Test Earned 18 stars in the Protector Trials | 5.35% | |
 | Get a Bigger Bucket Collected 50% of the ADAM available in all Protector Trials. | 5.2% | |
 | Trial by Fire Earned 36 stars in the Protector Trials | 4.89% | |
 | High Score Got 9999 points in one game of Spitfire | 4.74% | |
 | Enemy of the Familiy Earned an A rank in all Protector Trials | 4.59% | |
 | Guardian Angel Completed all bonus Protector Trials | 4.43% |