Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Alive Without Breath (10 points)	You took possession of a fish.
An Unfortunate Accident (10 points)	You killed Morgan Pendleton with steam.
Bodyguard (10 points)	You protected Callista's uncle, Captain Geoff Curnow.
Creepy Crawly (10 points)	You used a rat tunnel.
Dunwall in Chaos (50 points)	You completed the game in high chaos.
Food Chain (10 points)	You assassinated an assassin.
Gentleman Caller (10 points)	You completed all the Granny Rags side missions.
Just Dark Enough (50 points)	You completed the game in low chaos.
King of the World (10 points)	You reached the top of Kaldwin's Bridge.
Lights Out (10 points)	You deactivated at least 5 security systems on Kingsparrow Island.
Long Live the Empress (10 points)	You saved Empress Emily Kaldwin.
Mercy is the Mark (10 points)	You spared Daud's life.
Poetic Justice (30 points)	You neutralized all key targets using indirect means.
Street Conspiracy (10 points)	You completed all the Slackjaw side missions.
The Art of the Steal (10 points)	You got the Art Dealer's safe combination for Slackjaw, but robbed the safe first.
Vanished (10 points)	You escaped prison and navigated the sewers undetected.
Well Mannered (10 points)	You completed the Boyle Estate mission without spoiling the party.