Here is the full list of all 29 Primordia achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.
Find the hidden tape deck
Use technology to do the impossible
Look at all the sensor coordinates
Wake a slumbering giant
Use brawn instead of brains
That hit the spot. But for how much longer?
An easy solution to an impossible problem
Pass Ever-Faithful's test on the first try
Train Crispin for his big date
Clean two gears using different methods
Pass a legal test on the first try
Find every entry in the information kiosk
Find Memento Moribuilt
Help a lost pilgrim find his way
Change Factotum's mind
Reunite Surly Company
Unlock the courthouse
Unlock Horatio's past
Unlock the tower door, without outside help
Get help from a new friend
Victory at what cost?
Stop Scraper once and for all
She pushed you too far
Resort to blackmail, and emerge the victor
Fulfill your true mission
Take a leap of faith
Join your foe for the greater good
Stay true to yourself
Finish the game with all possible robots.