Full list of all 40 The Talos Principle achievements. It takes around 25-30 hours to unlock all of the achievements in the base game on Windows.
The base game contains 36 achievements, and there is 1 DLC pack containing 4 achievements.
Do as you're told (for now).
Collect all pieces of written information.
It is never too late to accept Elohim's forgiveness.
Listen to all she has to say.
Reach the top.
Do not allow the serpent to fill you with doubt.
Get everything on your own.
Expose the flaws in the code.
Receive guidance from Elohim's messengers.
Laugh at the pointlessness of existence.
Find a Messenger's abode.
See what the others have to say.
Communicate with your double.
Don't just peek. Do it.
Restore a backup version of yourself.
Try, fail, try again, fail again, eventually succeed.
Tell the others what you think.
Accept Elohim's wisdom.
Pick up a star.