Complete the following achievements to unlock Gamerscore points.

Achievement	How to unlock
9-Irony ( 5 points )	Paid your respects to the founder of Rapture.
Adopted a Little Sister ( 5 points )	Adopted a new Little Sister for the first time.
Confronted Grace ( 10 points )	Confronted Lamb's lieutenant in Pauper's Drop.
Counterattack ( 5 points )	Killed an enemy with its own projectile.
Daddy's Home ( 10 points )	Found your way back into the ruins of Rapture.
Defeated the Preacher ( 20 points )	Defeated the Preacher.
Distance Hacker ( 5 points )	Used the Hack Tool to hack an object at a distance.
Escape ( 100 points )	Escaped Rapture.
Found Lamb's Hideout ( 20 points )	Gained access to Lamb's stronghold.
Heading to the Surface ( 25 points )	Headed to the surface on the side of Sinclair's escape pod.
Look at You, Hacker ( 15 points )	Killed 50 enemies using only hacked Security.
Nose for News ( 20 points )	Uncovered the secret of Dionysus Park.
Protector ( 20 points )	Defended yourself against Lamb's assault in the train station.
Reunion ( 50 points )	Reunited with your original Little Sister.
Savior ( 25 points )	Saved every Little Sister and spared Grace, Stanley and Gil.
Sinclair's Solution ( 20 points )	Joined forces with Sinclair in Ryan Amusements.
Unbreakable ( 20 points )	Defended yourself against the Big Sister without dying.