Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Above the Influence ( 100 points )	Adventure Mode - Finished a game where neither player drank Sleg.
Arachnophobe ( 10 points )	As Caddoc, conquer your fear as well as the spider god in Chapter 2.
Banished ( 10 points )	As E'lara, send the demon in the library back to hell at the end of Chapter 4.
Basic Instinct ( 10 points )	Kill the assassin at the docks in Chapter 3 as Caddoc.
Boots and a Handbag ( 10 points )	As E'lara, kill the Blind Dragon at the conclusion of Chapter 5.
Cat Fight ( 10 points )	Kill the assassin at the docks in Chapter 3 as E'lara.
Exorcist ( 10 points )	As Caddoc, send the demon in the library back to hell at the end of Chapter 4.
Exterminatrix ( 10 points )	As E'lara, squash the spider god while holding Caddoc's hand in Chapter 2.
Femme Fatale ( 10 points )	Defeat Annuvin as E'lara.
Grounded ( 10 points )	As Caddoc, Put down the Blind Dragon at the conclusion of Chapter 5.
Hello Nurse! ( 10 points )	As E'lara, defeat the Infected at the end of Chapter 1.
Life Support ( 15 points )	Adventure Mode - Revive your fallen companion 20 times during the game.
Man Slaughter ( 10 points )	Defeat Annuvin as Caddoc.
Piddlin' in the Porridge ( 25 points )	Adventure Mode - Finished a game where one player drank the Sleg .
The Dr. Is In ( 10 points )	As Caddoc, defeat the Infected at the end of Chapter 1.