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