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