Here is the full list of all 19 Shardlight achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
You maintained the status quo.
An age of uncertainty, but of happiness.
Played through the game with commentary.
You completed the game.
Tip your hat to the new revolution.
Properly disposed of the severed arm.
You don't mind being poked and prodded.
Said the code phrase to everyone.
Gain Jess's trust.
You couldn't let a friend suffer.
Tasty, but think of your triglycerides!
Nothing like a nice hot meal.
Listen to every single comment Denby makes inside the factory.
Don't encourage him.
You're the most well-read person around.
Figure out why the rebel doesn't speak.
You drew the symbol correctly on the first try.
Gus doesn't know art, but he knows what he hates.
You're never too old to have fun.