Full list of all 68 BioShock 2 achievements. It takes around 20-25 hours to unlock all of the achievements in the base game on Windows.
The base game contains 60 achievements, and there is 1 DLC pack containing 8 achievements.
Won a non-private match in each of the 6 new maps.
Saved your first Little Sister in a non-private match.
Used Rebirth to start again!
Finished the game on the hardest difficulty level.
Found every Power to the People weapon upgrade in the game.
Achieved Rank 40.
Played at least one non-private match on each downloadable content map.
Played at least one non-private match on each multiplayer map.
Achieved Rank 30.
Achieved Rank 20.
Completed all bonus Protector Trials
Earned an A rank in all Protector Trials
Achieved Rank 10.
Earned 36 stars in the Protector Trials
Collected 50% of the ADAM available in all Protector Trials
Earned 18 stars in the Protector Trials
Collected 100% of the ADAM in a single Protector Trial
Escaped Rapture.
Finished the game without using Vita-Chambers.
Headed to the surface on the side of Sinclair's escape pod.
Killed 50 enemies using only hacked Security.
Killed 30 enemies using only Traps.
Completed all research on every subject in Rapture.
Found or purchased all 11 basic Plasmid types.
Reunited with your original Little Sister.
Fully upgraded to the maximum number of Plasmid Slots.
Found 100 audio diaries.
Saved every Little Sister and spared Grace, Stanley and Gil.
Gained access to Lamb's stronghold.
Dealt with every Little Sister.
Fully upgraded one Plasmid to the Level 3 version.
Uncovered the secret of Dionysus Park.
Hacked 30 machines at a distance with the Hack Tool.
Gathered 600 ADAM with Little Sisters.
Defeated the Preacher.
Killed an enemy with its own projectile.
Confronted Lamb's lieutenant in Pauper's Drop.
Installed the third upgrade to a weapon.
Maxed out one Research Track.
Spent 2000 dollars at Vending Machines.
Researched a Splicer with the Research Camera.
Defeated 3 Big Daddies without dying during the fight.
Bought one Plasmid or Tonic Slot at a Gatherer's Garden.
Joined forces with Sinclair in Ryan Amusements.
Defended yourself against the Big Sister without dying.
Paid your respects to the founder of Rapture.
Hacked one of each kind of machine.
Got through a Gather with no damage and no one getting to the Little Sister.
Adopted a new Little Sister for the first time.
Upgraded a weapon at a Power to the People Station.
Defended yourself against Lamb's assault in the train station.
Earned 6 stars in the Protector Trials
Completed your first trial in a non-private match.
Took down your first Big Daddy in a non-private match.
Used the Hack Tool to hack an object at a distance.
Found your way back into the ruins of Rapture.
Completed your first non-private match.
Won your first non-private match.
Became a Big Daddy for the first time in a non-private match.
Scored your first kill in a non-private match.
Resolved all the Little Sisters in Minerva's Den
Destroyed all 10 Vacuum Bots in Minerva's Den
Got 9999 points in one game of Spitfire
Escaped Minerva's Den
Wrested control of the Thinker from Reed Wahl
Reached Computer Core Access
Reached Rapture Central Computing Operations
Killed a Lancer Big Daddy