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