27 of 68 unlocked
Escape
Escaped Rapture.
Uncommon · 22.5% of players
Jan 21, 2016
04:48:51
Big Brass Balls
Finished the game without using Vita-Chambers.
Rare · 7.6% of players
Jan 21, 2016
04:48:51
Heading to the Surface
Headed to the surface on the side of Sinclair's escape pod.
Uncommon · 22.5% of players
Jan 21, 2016
04:46:45
Max Plasmid Slots
Fully upgraded to the maximum number of Plasmid Slots.
Uncommon · 17.6% of players
Jan 21, 2016
04:26:04
Reunion
Reunited with your original Little Sister.
Uncommon · 22.9% of players
Jan 20, 2016
22:17:09
Found Lamb's Hideout
Gained access to Lamb's stronghold.
Uncommon · 23.1% of players
Jan 20, 2016
21:44:36
Master Gatherer
Gathered 600 ADAM with Little Sisters.
Uncommon · 21.4% of players
Jan 19, 2016
07:35:17
Fully Upgraded a Plasmid
Fully upgraded one Plasmid to the Level 3 version.
Uncommon · 23.6% of players
Jan 19, 2016
07:23:00
Nose for News
Uncovered the secret of Dionysus Park.
Uncommon · 25.4% of players
Jan 19, 2016
05:24:34
Look at You, Hacker
Killed 50 enemies using only hacked Security.
Uncommon · 18.1% of players
Jan 19, 2016
05:22:41
Master Hacker
Hacked 30 machines at a distance with the Hack Tool.
Uncommon · 18.3% of players
Jan 19, 2016
04:45:41
Defeated the Preacher
Defeated the Preacher.
Uncommon · 27.3% of players
Jan 19, 2016
00:37:10
Fully Upgraded a Weapon
Installed the third upgrade to a weapon.
Uncommon · 27.5% of players
Jan 19, 2016
00:29:43
Big Spender
Spent 2000 dollars at Vending Machines.
Uncommon · 28.4% of players
Jan 19, 2016
00:10:29
Bought a Slot
Bought one Plasmid or Tonic Slot at a Gatherer's Garden.
Uncommon · 31.8% of players
Jan 18, 2016
23:53:51
Confronted Grace
Confronted Lamb's lieutenant in Pauper's Drop.
Uncommon · 30.4% of players
Jan 18, 2016
23:39:31
Trap Master
Killed 30 enemies using only Traps.
Uncommon · 15.3% of players
Jan 18, 2016
23:13:40
Grand Daddy
Defeated 3 Big Daddies without dying during the fight.
Uncommon · 25.9% of players
Jan 18, 2016
23:00:46
First Research
Researched a Splicer with the Research Camera.
Uncommon · 32.2% of players
Jan 18, 2016
22:58:21
Sinclair's Solution
Joined forces with Sinclair in Ryan Amusements.
Uncommon · 35.3% of players
Jan 15, 2016
04:47:51
Unbreakable
Defended yourself against the Big Sister without dying.
Uncommon · 31.3% of players
Jan 15, 2016
04:45:26
Adopted a Little Sister
Adopted a new Little Sister for the first time.
Uncommon · 38.4% of players
Jan 14, 2016
04:11:06
Prolific Hacker
Hacked one of each kind of machine.
Uncommon · 32.2% of players
Jan 14, 2016
04:02:26
Upgraded a Weapon
Upgraded a weapon at a Power to the People Station.
Uncommon · 40.1% of players
Jan 14, 2016
03:52:51
Protector
Defended yourself against Lamb's assault in the train station.
Uncommon · 41.5% of players
Jan 14, 2016
03:47:10
Distance Hacker
Used the Hack Tool to hack an object at a distance.
Common · 50.1% of players
Jul 17, 2015
02:30:32
Daddy's Home
Found your way back into the ruins of Rapture.
Common · 51.3% of players
Jul 17, 2015
02:28:38
All Weapon Upgrades
Found every Power to the People weapon upgrade in the game.
Rare · 7.3% of players
One Research Track
Maxed out one Research Track.
Rare · 13.9% of players
Research Master
Completed all research on every subject in Rapture.
Very Rare · 4.8% of players
All Plasmids
Found or purchased all 11 basic Plasmid types.
Rare · 6.5% of players
Counterattack
Killed an enemy with its own projectile.
Rare · 14.1% of players
Master Protector
Got through a Gather with no damage and no one getting to the Little Sister.
Rare · 12.4% of players
Dealt with Every Little Sister
Dealt with every Little Sister.
Uncommon · 20.8% of players
Against All Odds
Finished the game on the hardest difficulty level.
Rare · 5.3% of players
Savior
Saved every Little Sister and spared Grace, Stanley and Gil.
Rare · 11.1% of players
Rapture Historian
Found 100 audio diaries.
Rare · 9.8% of players
Unnatural Selection
Scored your first kill in a non-private match.
Rare · 5.8% of players
Welcome to Rapture
Completed your first non-private match.
Rare · 5.4% of players
Disgusting Frankenstein
Became a Big Daddy for the first time in a non-private match.
Very Rare · 4.2% of players
"Mr. Bubbles-- No!"
Took down your first Big Daddy in a non-private match.
Very Rare · 4.1% of players
Mother Goose
Saved your first Little Sister in a non-private match.
Very Rare · 3.3% of players
Two-Bit Heroics
Completed your first trial in a non-private match.
Very Rare · 3.7% of players
Parasite
Achieved Rank 10.
Very Rare · 3.5% of players
Little Moth
Achieved Rank 20.
Very Rare · 3.3% of players
Skin Job
Achieved Rank 30.
Very Rare · 3.2% of players
Choose the Impossible
Achieved Rank 40.
Very Rare · 3.2% of players
9-Irony
Paid your respects to the founder of Rapture.
Rare · 5% of players
Proving Grounds
Won your first non-private match.
Very Rare · 4.3% of players
Man About Town
Played at least one non-private match on each multiplayer map.
Very Rare · 3.3% of players
Aqua Incognita
Played at least one non-private match on each downloadable content map.
Very Rare · 3.3% of players
Territorial
Won a non-private match in each of the 6 new maps.
Very Rare · 3.2% of players
Reincarnation
Used Rebirth to start again!
Very Rare · 3.2% of players
Litmus Test
Earned 6 stars in the Protector Trials
Very Rare · 4.2% of players
Acid Test
Earned 18 stars in the Protector Trials
Very Rare · 3.8% of players
Trial By Fire
Earned 36 stars in the Protector Trials
Very Rare · 3.7% of players
Enemy of the Family
Earned an A rank in all Protector Trials
Very Rare · 3.4% of players
Guardian Angel
Completed all bonus Protector Trials
Very Rare · 3.4% of players
Perfect Protector
Collected 100% of the ADAM in a single Protector Trial
Very Rare · 4.2% of players
Get a Bigger Bucket
Collected 50% of the ADAM available in all Protector Trials
Very Rare · 3.7% of players
Login
Reached Rapture Central Computing Operations
Rare · 7.2% of players
Root Access Granted
Reached Computer Core Access
Rare · 6.8% of players
Logout
Escaped Minerva's Den
Rare · 6.8% of players
SUDO
Wrested control of the Thinker from Reed Wahl
Rare · 6.8% of players
Garbage Collection
Destroyed all 10 Vacuum Bots in Minerva's Den
Very Rare · 4.5% of players
High Score
Got 9999 points in one game of Spitfire
Very Rare · 3.6% of players
Lancer Killer
Killed a Lancer Big Daddy
Rare · 8% of players
ADAM Addict
Resolved all the Little Sisters in Minerva's Den
Rare · 6.3% of players
Official Steam Web API — rarity is each achievement's global unlock rate across all Steam players. Unlock times shown to the second.