Here is the full list of all 57 A Study in Steampunk: Choice by Gaslight achievements.
Embrace your heritage.
The press is a most valuable institution, if you only know how to use it.
Never underestimate a former soldier.
Whatever remains must be the truth.
Some battles are fought with words and innuendo instead of blades.
Happily ever after means different things to different people.
A private investigator does not always work within the law.
Captured and helpless, how much can you learn?
How far will you go to save yourself?
Can you repair the plummeting dirigible?
Save the life of an injured comrade.
Allow Garrett Finch to escape.
Capture Garrett Finch.
You know the price you have to pay.
The government and the Resistance will balance each other's excesses.
How far will you go to save someone else?
The ties that bind.
Kill Garrett Finch through light-eating.
One man can bridge two worlds.
The stories we tell shape the world.
Teach the healer spycraft.
To make an omelet, you must break an egg.
Face to face with a dangerous criminal, what will you do?
Resist the Vlaski occupation of Mercia.
Foil the Rising by disrupting communications.
Join the rebellion.
Every disaster needs a hero.
Penetrate to the center of the Professor's lair.
A steady hand on the rudder turns the ship.
Follow only your conscience.
The Crown Prince is in danger.
Star-crossed lovers.
Foil the Rising by contaminating the food supply.
Mercia falls to Vlask.
Danger makes strange bedfellows.
Can you get everyone safely off the plummeting dirigible?
End the cholera epidemic with minimal casualties.
It takes courage to turn aside from a disastrous path.
Danger calls you back to the warfront.
The Sun Temples police their own.
A light-eater threatens the East End.
Foil the Rising through storytelling.
Return to the fold.
Sometimes one man must be sacrificed for the good of many.
Give in to your darkest desires. Become your worst fear.
Scandal threatens the Empire.
Craft a scandal to threaten the Empire.
Foil the Rising with a single shot.
The Vlaskesari are marching on Mercia.
Remain true to your principles in the face of death.
Someone has to clean up the East End.
Enough is enough.
Brainwashed into Arthur Woodward's light-eater army.
One of these people is not what they seem…
They'll never suspect.