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