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.
Collect all pieces of written information.
Listen to all she has to say.
Do as you're told (for now).
Do not allow the serpent to fill you with doubt.
Accept Elohim's wisdom.
Receive guidance from Elohim's messengers.
Restore a backup version of yourself.
It is never too late to accept Elohim's forgiveness.
Reach the top.
Get everything on your own.
Expose the flaws in the code.
Communicate with your double.
Find a Messenger's abode.
See what the others have to say.
Laugh at the pointlessness of existence.
Try, fail, try again, fail again, eventually succeed.
Tell the others what you think.
Don't just peek. Do it.
Pick up a star.