Here is the full list of all 24 The Silent Age achievements. It takes around 3-4 hours to unlock all of the achievements on Windows.
Find a box full of secrets
Stay hungry. Stay foolish.
Read Lambert's progress reports
Play with fire
Time to get your hands dirty
Watch and learn
Impatience is a virtue
Complete The Silent Age
Whoops!
Take a long nap
We've met before haven't we?
Shoot first. Think later.
Get the memo
Quest for fire
In a while...
You'd think that would work...
Get ready to ride
This should be dead simple
...There's a fire
Chill for a moment
Extreme gardening
Think like a samurai
That does not compute
Buzzwords from the boss