Full list of all 68 BioShock 2 (GFWL) achievements worth 1,380 gamerscore. It takes around 20-25 hours to unlock all of the achievements in the base game.
The base game contains 50 achievements worth 1,000 Gamerscore, and there are 3 DLC packs containing 18 achievements worth 380 Gamerscore.
Buy one Plasmid or Tonic Slot at a Gatherer's Garden.
Fully upgrade to the maximum number of Plasmid Slots.
Upgrade any weapon at a Power to the People Station.
Install the third and final upgrade to any of your weapons.
Find all 14 Power to the People weapon upgrades in the game.
Use the Hack Tool to hack an object at a distance.
Successfully hack at least one of every type of machine.
Hack 30 machines at a distance with the Hack Tool.
Research a Splicer with the Research Camera.
Max out one Research Track.
Max out research on all 9 research subjects.
Defeat 3 Big Daddies without dying during the fight.
Adopt a new Little Sister for the first time.
Gather 600 ADAM with Little Sisters.
Fully upgrade one of your Plasmids to the level 3 version at a Gatherer's Garden.
Find or purchase all 11 basic Plasmid types.
Defend yourself against the Big Sister without dying.
Kill 50 enemies using only hacked Security.
Kill 30 enemies using only Traps.
Kill an enemy with its own projectile
Get through a Gather with no damage and no one getting to the Little Sister.
Spend 2000 dollars at Vending Machines.
Either Harvest or Save every Little Sister in the game.
Finish the game on the hardest difficulty level.
Save every Little Sister and choice character.
Finish the game without using Vita-Chambers.
Find 100 audio diaries.
Score your first kill in a non-private match.
Complete your first non-private match.
Become a Big Daddy for the first time in a non-private match.
Take down your first Big Daddy in a non-private match.
Save your first Little Sister in a non-private match.
Complete your first trial in a non-private match.
Achieve Rank 10.
Achieve Rank 20.
Achieve Rank 30.
Achieve Rank 40.
Win your first non-private match.
Play at least one non-private match on each multiplayer map.
Play at least one non-private match on each downloadable content map.
Win a non-private match in each of the 6 new maps.
Use Rebirth to start again!
Earn 6 stars in the Protector Trials
Earn 18 stars in the Protector Trial
Earn 36 stars in the Protector Trials
Earn an A rank in all Protector Trials
Collect 100% of the ADAM in a single Protector Trial
Collect 50% of the ADAM available in all Protector Trials
Resolve all the Little Sisters in Minerva's Den
Kill a Lancer Big Daddy
Destroy all 10 Vacuum Bots in Minerva's Den