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